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| − | Sending emails is important for a server. It allows the server to notify remote users (you) in can you need to do some action. | + | Sending emails is important for a server. It allows it to notify you of various events (update pending, task failure, breach attempt…). |
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| | This guide will show you two different configuration options: | | This guide will show you two different configuration options: |
| − | * Send only: Simple configuration. The server uses an external SMTP server to send emails. It can't receive emails | + | * [[Emails/Send | Send only]]: Simple configuration. The server uses an external SMTP server to send emails. Use this if you want to just receive notification emails from a server. |
| − | * Send and Receive: More complex configuration. It allows you to handle your complete email infrastructure. | + | * [[Emails/Complete | Complete]]: A complete email infrastructure with your own SMTP and IMAP server.Including a webmail, a spam filter and an antivirus. |
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| − | == Send only ==
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| − | | |
| − | === Install ===
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| − | <syntaxhighlight lang="console">
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| − | # apt install exim4-daemon-light bsd-mailx
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| − | </syntaxhighlight>
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| − | | |
| − | === Configure ===
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| − | Edit file <code>/etc/exim4/update-exim4.conf.conf</code><syntaxhighlight lang="ini">
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| − | dc_eximconfig_configtype='satellite'
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| − | dc_other_hostnames=''
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| − | dc_local_interfaces='127.0.0.1; ::1'
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| − | dc_readhost='example.org'
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| − | dc_relay_domains=''
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| − | dc_minimaldns='false'
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| − | dc_relay_nets=''
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| − | dc_smarthost='smtp.example.org::587'
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| − | CFILEMODE='644'
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| − | dc_use_split_config='true'
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| − | dc_hide_mailname='true'
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| − | dc_mailname_in_oh='true'
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| − | dc_localdelivery='mail_spool'
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| − | </syntaxhighlight>Edit file <code>/etc/exim4/passwd.client</code> and add a line like<syntaxhighlight lang="properties">
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| − | smtp.example.org:username:mYpa$$w0rd
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| − | </syntaxhighlight>'''Note:''' if <code>smtp.example.org</code> is a CNAME, you must use the destination of the CNAME in the <code>passwd.client</code> file.<syntaxhighlight lang="console">
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| − | $ host smtp.gmail.com
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| − | smtp.gmail.com is an alias for gmail-smtp-msa.l.google.com.
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| − | gmail-smtp-msa.l.google.com has address 74.125.206.108
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| − | gmail-smtp-msa.l.google.com has address 74.125.206.109
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| − | gmail-smtp-msa.l.google.com has IPv6 address 2a00:1450:400c:c04::6d
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| − | </syntaxhighlight>here you see on the first line that <code>smtp.gmail.com</code> is a CNAME to <code>gmail-smtp-msa.l.google.com</code>. In that case you can put <code>*.google.com</code> in the password file.
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| − | | |
| − | Finally, activate the new configuration using<syntaxhighlight lang="console">
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| − | # service exim4 reload
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| − | </syntaxhighlight>
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| − | | |
| − | === Test ===
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| − | <syntaxhighlight lang="console">
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| − | $ echo "test" | mailx -s "test" root
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| − | </syntaxhighlight>You should receive the email in your mailbox
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| | | | |
| − | == Send and Receive ==
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| − | {{TODO|msg = }}
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| − | * [[Emails/IP|IP address]]
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| − | * [[Dovecot]]
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| − | * [[Exim]]
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| − | * [[Spamassassin]]
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| − | * [[ClamAV]]
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| | [[Category:Email Server]] | | [[Category:Email Server]] |
| | [[Category:Linux Server]] | | [[Category:Linux Server]] |
