Emails/Send - Revision history

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2017-04-05T05:54:17Z

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			{{DISPLAYTITLE:How to send emails from server}}
	This page show how to send emails from a server by connecting to an external SMTP server.		This page show how to send emails from a server by connecting to an external SMTP server.

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	== Prerequisite ==		== Prerequisite ==
	You will need a SMTP server to send the email. The one of your regular email address will work perfectly.		You will need a SMTP server to send the email. The one of your regular email address will work perfectly.
	~~{{DISPLAYTITLE:Hot to send emails from server}}~~

	== Install ==		== Install ==

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2017-04-05T05:52:58Z

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← Older revision		Revision as of 05:52, 5 April 2017
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	=== Install ===		This page show how to send emails from a server by connecting to an external SMTP server.

			As a alternative, you can also check the [[Emails/Complete\|complete guide on how to build an email server]].

			== Prerequisite ==
			You will need a SMTP server to send the email. The one of your regular email address will work perfectly.
			{{DISPLAYTITLE:Hot to send emails from server}}

			== Install ==
	<syntaxhighlight lang="console">		<syntaxhighlight lang="console">
	$ sudo apt install exim4-daemon-light bsd-mailx		$ sudo apt install exim4-daemon-light bsd-mailx
	</syntaxhighlight>		</syntaxhighlight>

	=== Configure ===		== Configure ==
	Edit file <code>/etc/exim4/update-exim4.conf.conf</code><syntaxhighlight lang="ini">		Edit file <code>/etc/exim4/update-exim4.conf.conf</code><syntaxhighlight lang="ini">
	dc_eximconfig_configtype='satellite'		dc_eximconfig_configtype='satellite'
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	dc_mailname_in_oh='true'		dc_mailname_in_oh='true'
	dc_localdelivery='mail_spool'		dc_localdelivery='mail_spool'
	</syntaxhighlight>Edit file <code>/etc/exim4/passwd.client</code> and add a line like<syntaxhighlight lang="properties">		</syntaxhighlight>The line <code>dc_smarthost</code> need to be updated with the name of port of the smtp server that you will use.

			Edit file <code>/etc/exim4/passwd.client</code> and add a line like<syntaxhighlight lang="properties">
	smtp.example.org:username:mYpa$$w0rd		smtp.example.org:username:mYpa$$w0rd
	</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">		</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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	</syntaxhighlight>		</syntaxhighlight>

	=== Test ===		== Test ==
	<syntaxhighlight lang="console">		<syntaxhighlight lang="console">
	$ echo "~~test~~" \| mailx -s "~~test~~" ~~root~~		$ echo "body" \| mailx -s "subject" address@example.org
	</syntaxhighlight>You should receive the email in your mailbox		</syntaxhighlight>You should receive the email in your mailbox
			[[Category:Email Server]]
			[[Category:Linux Server]]

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=== Install ===
<syntaxhighlight lang="console">
$ sudo apt install exim4-daemon-light bsd-mailx
</syntaxhighlight>

=== Configure ===
Edit file <code>/etc/exim4/update-exim4.conf.conf</code><syntaxhighlight lang="ini">
dc_eximconfig_configtype='satellite'
dc_other_hostnames=''
dc_local_interfaces='127.0.0.1; ::1'
dc_readhost='example.org'
dc_relay_domains=''
dc_minimaldns='false'
dc_relay_nets=''
dc_smarthost='smtp.example.org::587'
CFILEMODE='644'
dc_use_split_config='true'
dc_hide_mailname='true'
dc_mailname_in_oh='true'
dc_localdelivery='mail_spool'
</syntaxhighlight>Edit file <code>/etc/exim4/passwd.client</code> and add a line like<syntaxhighlight lang="properties">
smtp.example.org:username:mYpa$$w0rd
</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">
$ host smtp.gmail.com
smtp.gmail.com is an alias for gmail-smtp-msa.l.google.com.
gmail-smtp-msa.l.google.com has address 74.125.206.108
gmail-smtp-msa.l.google.com has address 74.125.206.109
gmail-smtp-msa.l.google.com has IPv6 address 2a00:1450:400c:c04::6d
</syntaxhighlight>here you see on the first line that <code>smtp.gmail.com</code> is a CNAME (alias) to <code>gmail-smtp-msa.l.google.com</code>. In that case you can put <code>*.google.com</code> in the password file.

Finally, activate the new configuration using<syntaxhighlight lang="console">
$ sudo systemctl reload exim4.service
</syntaxhighlight>

=== Test ===
<syntaxhighlight lang="console">
$ echo "test" | mailx -s "test" root
</syntaxhighlight>You should receive the email in your mailbox