1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY sendmail-download-http "http://www.sendmail.org/ftp/sendmail.&sendmail-version;.tar.gz">
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8 | <!ENTITY sendmail-download-ftp "ftp://ftp.sendmail.org/pub/sendmail/sendmail.&sendmail-version;.tar.gz">
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9 | <!ENTITY sendmail-md5sum "1b23d5000c8e7bfe82ec1a27f2f5fdc5">
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10 | <!ENTITY sendmail-size "2.0 MB">
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11 | <!ENTITY sendmail-buildsize "19 MB">
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12 | <!ENTITY sendmail-time "0.3 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="sendmail" xreflabel="Sendmail-&sendmail-version;">
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16 | <?dbhtml filename="sendmail.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>Sendmail-&sendmail-version;</title>
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24 |
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25 | <indexterm zone="sendmail">
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26 | <primary sortas="a-Sendmail">Sendmail</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to Sendmail</title>
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31 |
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32 | <para>The <application>Sendmail</application> package contains a Mail
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33 | Transport Agent (MTA).</para>
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34 |
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35 | &lfs65_needs_update;
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36 |
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37 | <bridgehead renderas="sect3">Package Information</bridgehead>
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38 | <itemizedlist spacing="compact">
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39 | <listitem>
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40 | <para>Download (HTTP): <ulink url="&sendmail-download-http;"/></para>
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41 | </listitem>
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42 | <listitem>
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43 | <para>Download (FTP): <ulink url="&sendmail-download-ftp;"/></para>
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44 | </listitem>
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45 | <listitem>
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46 | <para>Download MD5 sum: &sendmail-md5sum;</para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>Download size: &sendmail-size;</para>
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50 | </listitem>
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51 | <listitem>
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52 | <para>Estimated disk space required: &sendmail-buildsize;</para>
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53 | </listitem>
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54 | <listitem>
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55 | <para>Estimated build time: &sendmail-time;</para>
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56 | </listitem>
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57 | </itemizedlist>
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58 |
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59 | <bridgehead renderas="sect3">Sendmail Dependencies</bridgehead>
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60 |
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61 | <bridgehead renderas="sect4">Required</bridgehead>
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62 | <para role="required"><xref linkend="db"/></para>
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63 |
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64 | <bridgehead renderas="sect4">Optional</bridgehead>
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65 | <para role="optional"><xref linkend="openssl"/>,
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66 | <xref linkend="openldap"/>,
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67 | <xref linkend="tcpwrappers"/>,
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68 | <xref linkend="cyrus-sasl"/>,
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69 | <xref linkend="procmail"/>,
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70 | <ulink url="http://www.feep.net/nph/">nph</ulink>, and
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71 | <xref linkend="gs"/><!-- or <xref linkend="espgs"/> --> (for creating
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72 | PDF documentation)</para>
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73 |
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74 | <para condition="html" role="usernotes">User Notes:
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75 | <ulink url="&blfs-wiki;/sendmail"/></para>
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76 |
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77 | </sect2>
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78 |
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79 | <sect2 role="installation">
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80 | <title>Installation of Sendmail</title>
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81 |
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82 | <para>Before building <application>Sendmail</application>, create the
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83 | required user, group and directory with the following commands issued as
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84 | the <systemitem class="username">root</systemitem> user:</para>
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85 |
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86 | <screen role="root"><userinput>groupadd -g 26 smmsp &&
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87 | useradd -c "Sendmail Daemon" -g smmsp -d /dev/null \
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88 | -s /bin/false -u 26 smmsp &&
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89 | chmod -v 1777 /var/mail &&
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90 | install -v -m700 -d /var/spool/mqueue</userinput></screen>
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91 |
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92 | <para><emphasis>Note:</emphasis> See the source tree
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93 | <filename>sendmail/README</filename> file for information on linking
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94 | optional packages into the build. Use the example below, which adds
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95 | support for <application>tcpwrappers</application>, SASL, StartTLS
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96 | (<application>OpenSSL</application>) and
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97 | <application>OpenLDAP</application>, as a starting point.
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98 | Of course, modify it to suit your particular needs.</para>
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99 |
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100 | <screen><userinput>cat >> devtools/Site/site.config.m4 << "EOF"
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101 | <literal>APPENDDEF(`confENVDEF',`-DSTARTTLS -DTCPWRAPPERS -DSASL -DLDAPMAP')
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102 | APPENDDEF(`confLIBS', `-lssl -lcrypto -lwrap -lsasl2 -lldap -llber')
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103 | APPENDDEF(`confINCDIRS', `-I/usr/include/sasl')</literal>
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104 | EOF</userinput></screen>
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105 |
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106 | <para>Install <application>Sendmail</application> with the following
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107 | commands:</para>
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108 |
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109 | <screen><userinput>cat >> devtools/Site/site.config.m4 << "EOF"
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110 | <literal>define(`confMANGRP',`root')
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111 | define(`confMANOWN',`root')
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112 | define(`confSBINGRP',`root')
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113 | define(`confUBINGRP',`root')
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114 | define(`confUBINOWN',`root')</literal>
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115 | EOF
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116 | cd sendmail &&
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117 | sh Build &&
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118 | cd ../cf/cf &&
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119 | cp generic-linux.mc sendmail.mc &&
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120 | sh Build sendmail.cf</userinput></screen>
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121 |
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122 | <para>This package does not come with a test suite.</para>
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123 |
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124 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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125 |
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126 | <screen role="root"><userinput>install -v -d -m755 /etc/mail &&
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127 | sh Build install-cf &&
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128 |
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129 | cd ../.. &&
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130 | sh Build install &&
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131 |
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132 | install -v -m644 cf/cf/{submit,sendmail}.mc /etc/mail &&
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133 | cp -v -R cf/* /etc/mail &&
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134 |
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135 | install -v -m755 -d /usr/share/doc/sendmail-&sendmail-version;/{cf,sendmail} &&
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136 | install -v -m644 \
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137 | CACerts FAQ KNOWNBUGS LICENSE PGPKEYS README RELEASE_NOTES \
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138 | /usr/share/doc/sendmail-&sendmail-version; &&
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139 | install -v -m644 sendmail/{README,SECURITY,TRACEFLAGS,TUNING} \
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140 | /usr/share/doc/sendmail-&sendmail-version;/sendmail &&
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141 | install -v -m644 cf/README /usr/share/doc/sendmail-&sendmail-version;/cf &&
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142 |
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143 | for manpage in sendmail editmap mailstats makemap praliases smrsh
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144 | do
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145 | install -v -m444 $manpage/$manpage.8 /usr/share/man/man8
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146 | done &&
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147 | install -v -m444 sendmail/aliases.5 /usr/share/man/man5 &&
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148 | install -v -m444 sendmail/mailq.1 /usr/share/man/man1 &&
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149 | install -v -m444 sendmail/newaliases.1 /usr/share/man/man1 &&
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150 | install -v -m444 vacation/vacation.1 /usr/share/man/man1</userinput></screen>
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151 |
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152 | <para>Install the <application>Sendmail</application> Installation and
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153 | Operations Guide with the following commands:</para>
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154 |
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155 | <screen><userinput>cd doc/op &&
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156 | sed -i 's/groff/GROFF_NO_SGR=1 groff/' Makefile &&
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157 | make op.txt op.pdf</userinput></screen>
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158 |
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159 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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160 |
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161 | <screen role="root"><userinput>install -v -d -m755 /usr/share/doc/sendmail-&sendmail-version; &&
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162 | install -v -m644 op.ps op.txt op.pdf /usr/share/doc/sendmail-&sendmail-version; &&
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163 | cd ../..</userinput></screen>
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164 |
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165 | <para><emphasis>Note:</emphasis> remove <filename>op.pdf</filename> from
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166 | the <command>make</command> and <command>install</command> commands if
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167 | you don't have <application>Ghostscript</application> installed.</para>
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168 |
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169 | </sect2>
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170 |
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171 | <sect2 role="commands">
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172 | <title>Command Explanations</title>
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173 |
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174 | <para><command>cat > devtools/Site/site.config.m4 << "EOF"</command>:
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175 | This creates a configuration file changing some of the default settings.</para>
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176 |
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177 | <para><command>sh Build; sh Build sendmail.cf; sh Build install-cf;
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178 | sh Build install</command>: <application>Sendmail</application> uses an
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179 | <application>m4</application> based build script to create the various
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180 | <filename>Makefile</filename>s. These commands build and install the
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181 | package.</para>
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182 |
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183 | <para><command>for manpage in...;do...;done; install ...</command>: The man
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184 | pages are installed already formatted and <command>man</command> displays
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185 | them somewhat garbled. These commands replace the formatted pages with
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186 | pages <command>man</command> can display properly.</para>
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187 |
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188 | </sect2>
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189 |
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190 | <sect2 role="configuration">
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191 | <title>Configuring Sendmail</title>
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192 |
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193 | <sect3 id="sendmail-config">
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194 | <title>Config Files</title>
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195 |
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196 | <para><filename>/etc/mail/*</filename></para>
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197 |
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198 | <indexterm zone="sendmail sendmail-config">
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199 | <primary sortas="e-etc-mail">/etc/mail/*</primary>
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200 | </indexterm>
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201 |
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202 | </sect3>
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203 |
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204 | <sect3>
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205 | <title>Configuration Information</title>
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206 |
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207 | <para>Create the <filename>/etc/mail/local-host-names</filename> and
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208 | <filename>/etc/mail/aliases</filename> files using the following
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209 | commands as the <systemitem class="username">root</systemitem>
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210 | user:</para>
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211 |
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212 | <screen role="root"><userinput>echo $(hostname) > /etc/mail/local-host-names
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213 | cat > /etc/mail/aliases << "EOF"
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214 | <literal>postmaster: root
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215 | MAILER-DAEMON: root</literal>
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216 |
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217 | EOF
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218 | newaliases -v</userinput></screen>
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219 |
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220 | <para><application>Sendmail</application>'s primary configuration file,
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221 | <filename>/etc/mail/sendmail.cf</filename>, is complex and not meant to be
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222 | directly edited. The recommended method for changing it is to modify
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223 | <filename>/etc/mail/sendmail.mc</filename> and various
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224 | <application>m4</application> files, then run the <command>m4</command>
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225 | macro processor from within
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226 | <filename class='directory'>/etc/mail</filename> as follows:</para>
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227 |
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228 | <screen role="root"><userinput>m4 m4/cf.m4 sendmail.mc > sendmail.cf</userinput></screen>
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229 |
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230 | <para>A full explanation of the files to modify, and the available
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231 | parameters can be found in <filename>/etc/mail/README</filename>.</para>
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232 |
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233 | </sect3>
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234 |
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235 | <sect3 id="sendmail-init">
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236 | <title>Boot Script</title>
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237 |
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238 | <para>To automate the running of <application>Sendmail</application>
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239 | at startup, install the <filename>/etc/rc.d/init.d/sendmail</filename>
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240 | init script included in the
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241 | <xref linkend="bootscripts"/> package.</para>
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242 |
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243 | <indexterm zone="sendmail sendmail-init">
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244 | <primary sortas="f-sendmail-init">sendmail</primary>
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245 | </indexterm>
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246 |
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247 | <screen role="root"><userinput>make install-sendmail</userinput></screen>
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248 |
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249 | <note>
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250 | <para>The -qNm option to <command>sendmail</command>, where N is number
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251 | of minutes, controls how often <application>Sendmail</application> will
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252 | process the mail queue. A default of 5 minutes is used in the init
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253 | script. Individual workstation users may want to set this as low as 1
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254 | minute, large installations handling more mail may want to set it
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255 | higher.</para>
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256 | </note>
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257 |
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258 | </sect3>
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259 |
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260 | </sect2>
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261 |
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262 | <sect2 role="content">
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263 | <title>Contents</title>
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264 |
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265 | <segmentedlist>
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266 | <segtitle>Installed Programs</segtitle>
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267 | <segtitle>Installed Libraries</segtitle>
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268 | <segtitle>Installed Directories</segtitle>
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269 |
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270 | <seglistitem>
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271 | <seg>editmap, hoststat, mailstats, mailq, makemap, newaliases,
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272 | praliases, purgestat, sendmail, smrsh, and vacation</seg>
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273 | <seg>None</seg>
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274 | <seg>/etc/mail, /usr/share/doc/sendmail-&sendmail-version;,
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275 | /var/spool/mqueue, and /var/spool/clientmqueue</seg>
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276 | </seglistitem>
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277 | </segmentedlist>
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278 |
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279 | <variablelist>
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280 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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281 | <?dbfo list-presentation="list"?>
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282 | <?dbhtml list-presentation="table"?>
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283 |
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284 | <varlistentry id="editmap">
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285 | <term><command>editmap</command></term>
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286 | <listitem>
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287 | <para>queries and edits <application>Sendmail</application> map
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288 | files.</para>
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289 | <indexterm zone="sendmail editmap">
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290 | <primary sortas="b-editmap">editmap</primary>
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291 | </indexterm>
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292 | </listitem>
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293 | </varlistentry>
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294 |
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295 | <varlistentry id="hoststat">
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296 | <term><command>hoststat</command></term>
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297 | <listitem>
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298 | <para>prints <application>Sendmail</application>'s persistent host
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299 | status.</para>
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300 | <indexterm zone="sendmail hoststat">
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301 | <primary sortas="b-hoststat">hoststat</primary>
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302 | </indexterm>
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303 | </listitem>
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304 | </varlistentry>
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305 |
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306 | <varlistentry id="mailstats">
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307 | <term><command>mailstats</command></term>
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308 | <listitem>
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309 | <para>displays <application>Sendmail</application> statistics.</para>
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310 | <indexterm zone="sendmail mailstats">
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311 | <primary sortas="b-mailstats">mailstats</primary>
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312 | </indexterm>
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313 | </listitem>
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314 | </varlistentry>
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315 |
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316 | <varlistentry id="mailq-sendmail">
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317 | <term><command>mailq</command></term>
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318 | <listitem>
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319 | <para>prints a summary of outbound mail messages waiting for
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320 | delivery.</para>
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321 | <indexterm zone="sendmail mailq-sendmail">
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322 | <primary sortas="b-mailq">mailq</primary>
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323 | </indexterm>
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324 | </listitem>
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325 | </varlistentry>
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326 |
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327 | <varlistentry id="makemap">
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328 | <term><command>makemap</command></term>
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329 | <listitem>
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330 | <para>creates <application>Sendmail</application> map files.</para>
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331 | <indexterm zone="sendmail makemap">
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332 | <primary sortas="b-makemap">makemap</primary>
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333 | </indexterm>
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334 | </listitem>
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335 | </varlistentry>
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336 |
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337 | <varlistentry id="newaliases-sendmail">
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338 | <term><command>newaliases</command></term>
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339 | <listitem>
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340 | <para>rebuilds <filename>/etc/mail/aliases.db</filename> from the
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341 | contents of <filename>/etc/mail/aliases</filename>.</para>
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342 | <indexterm zone="sendmail newaliases-sendmail">
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343 | <primary sortas="b-newaliases">newaliases</primary>
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344 | </indexterm>
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345 | </listitem>
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346 | </varlistentry>
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347 |
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348 | <varlistentry id="praliases">
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349 | <term><command>praliases</command></term>
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350 | <listitem>
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351 | <para>displays current <application>Sendmail</application>
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352 | aliases.</para>
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353 | <indexterm zone="sendmail praliases">
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354 | <primary sortas="b-praliases">praliases</primary>
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355 | </indexterm>
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356 | </listitem>
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357 | </varlistentry>
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358 |
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359 | <varlistentry id="purgestat">
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360 | <term><command>purgestat</command></term>
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361 | <listitem>
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362 | <para> causes <application>Sendmail</application> to clear (purge)
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363 | all its host-status information.</para>
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364 | <indexterm zone="sendmail purgestat">
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365 | <primary sortas="b-purgestat">purgestat</primary>
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366 | </indexterm>
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367 | </listitem>
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368 | </varlistentry>
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369 |
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370 | <varlistentry id="sendmail-prog-sendmail">
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371 | <term><command>sendmail</command></term>
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372 | <listitem>
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373 | <para>is the <application>Sendmail</application> mail transport
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374 | agent.</para>
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375 | <indexterm zone="sendmail sendmail-prog-sendmail">
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376 | <primary sortas="b-sendmail">sendmail</primary>
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377 | </indexterm>
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378 | </listitem>
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379 | </varlistentry>
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380 |
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381 | <varlistentry id="smrsh">
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382 | <term><command>smrsh</command></term>
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383 | <listitem>
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384 | <para>is a restricted shell for
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385 | <application>Sendmail</application>.</para>
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386 | <indexterm zone="sendmail smrsh">
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387 | <primary sortas="b-smrsh">smrsh</primary>
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388 | </indexterm>
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389 | </listitem>
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390 | </varlistentry>
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391 |
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392 | <varlistentry id="vacation-sendmail">
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393 | <term><command>vacation</command></term>
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394 | <listitem>
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395 | <para>is an email auto responder.</para>
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396 | <indexterm zone="sendmail vacation-sendmail">
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397 | <primary sortas="b-vacation">vacation</primary>
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398 | </indexterm>
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399 | </listitem>
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400 | </varlistentry>
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401 |
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402 | </variablelist>
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403 |
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404 | </sect2>
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405 |
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406 | </sect1>
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