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Enable Outgoing Emails (view source)

Revision as of 16:16, 7 September 2015

2,963 bytes added ,  16:16, 7 September 2015
→‎Option 2 (Google Gmail)
{{MessageBox|backgroundcolor = #faa|image =Warning.png|heading =WARNING|message = This is recommended only for advanced users, proceed with caution.}}Here's how to enable outgoing emails on your Amahi server.
Note'''NOTE: ''' Make sure to use copy-paste to execute those commands. In particular, they contain back-ticks as the starting string delimiter, which can be hard to find on a keyboard!
To begin with, [[Open Terminal as root|As '''root''' user]]do the following:
== Option 1 (Internet Service Provider) ==<div style="border: 1px solid #A3B1BF; padding: .5em 1em; color: #000; background-color: #E6F2FF; margin: 3px 3px 1em 3px;"pre> SMTP_SERVER=your_isp_smtp_server yum -y install sendmail-cf m4 cd /etc/mail sed -ie "s/.*SMART_HOST.*/define(\`SMART_HOST', \`$SMTP_SERVER')dnl/" sendmail.mc m4 sendmail.mc > makechkconfig sendmail.cf makeon service sendmail restart</divpre>Make sure to replace ''your_isp_smtp_server'' on the first line with the hostname or IP address of your ISP SMTP server.
Make sure If you need to replace connect to the SMTP server using port 587 (TLS/STARTTLS), you'll need to do this too:<pre>cd /etc/mailsed -ie "s/\(.*SMART_HOST.*\)/\1\ndefine(\`RELAY_MAILER_ARGS', \`TCP \$h 587'your_isp_smtp_server)dnl\ndefine(\`ESMTP_MAILER_ARGS', \`TCP \$h 587' on )dnl/" sendmail.mcmakeservice sendmail restart</pre>If you want to use another port than 587, change that number in the first line with above command (it's there twice), before executing it. If you already executed it, edit the hostname or IP address of your ISP SMTP serversendmail.mc file, and search for 587 - it should appear there twice - change both.
If you need to provide a username and password to use the SMTP server, you'll need to do this too:
<!--<div style="border: 1px solid #A3B1BF; padding: .5em 1em; color: #000; background-color: #E6F2FF; margin: 3px 3px 1em 3px;">
SMTP_SERVER=your_isp_smtp_server
USERNAME=your_smtp_username
PASSWORD=your_smtp_password
cd /etc/mail
chmod 600 access
echo "AuthInfo:$SMTP_SERVER \"U:$USERNAME\" \"P:$PASSWORD\" \"M:PLAIN\"" >> access
makemap -r hash access.db < access
sed -ie "s/.*confAUTH_MECHANISMS.*/define(\`confAUTH_MECHANISMS', \`EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl\nFEATURE(\`authinfo',\`hash \/etc\/mail\/access')dnl/" sendmail.mc
make
service sendmail restart
</div>-->
<pre>
SMTP_SERVER=your_isp_smtp_server
USERNAME=your_smtp_username
PASSWORD=your_smtp_password
cd /etc/mail
chmod 600 access
echo "AuthInfo:$SMTP_SERVER \"U:$USERNAME\" \"P:$PASSWORD\" \"M:PLAIN\"" >> access
makemap -r hash access.db < access
sed -ie "s/.*confAUTH_MECHANISMS.*/define(\`confAUTH_MECHANISMS', \`EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl\nFEATURE(\`authinfo',\`hash \/etc\/mail\/access')dnl/" sendmail.mc
make
service sendmail restart
</pre>
Set sendmail to start on boot
<pre>
systemctl enable sendmail
</pre>
 
== Option 2 (Google Gmail) ==
<pre>
su -
yum -y install sendmail-cf mailx
cp /etc/mail/sendmail.mc /etc/mail/sendmail.mc.orig
vi /etc/mail/sendmail.mc
</pre>
Near the very bottom before MAILER insert the following lines. Sendmail is picky about the quotation marks: when I first pasted them, they were wrong and gave me a syntax error. This section is a combination of the two sources above which fixes the error in /var/log/maillog “no route to host” which apparently has nothing to do with DNS resolution.
<pre>
define(`SMART_HOST',`smtp.gmail.com')dnl
define(`RELAY_MAILER_ARGS', `TCP $h 587')dnl
define(`ESMTP_MAILER_ARGS', `TCP $h 587')dnl
define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
FEATURE(`authinfo',`hash /etc/mail/auth/client-info')dnl
TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')
</pre>
Then save. Back in the terminal:
<pre>
mkdir /etc/mail/auth
vi /etc/mail/auth/client-info
AuthInfo:smtp.gmail.com "U:root" "I:<YOUR GMAIL USERNAME HERE>@gmail.com" "P:<YOU GMAIL PASSWORD HERE>"
</pre>
Of course, fill out your real login info, save, and exit. The next section skips the part about the openssl certificates: I ran it, but it didn’t seen to be necessary on Fedora.
<pre>
cd /etc/mail/auth
makemap hash client-info.db < client-info
chmod 700 /etc/mail/auth
chmod 600 /etc/mail/auth/*
cd /etc/mail
make
systemctl restart sendmail
</pre>
Set sendmail to start on boot
<pre>
systemctl enable sendmail
</pre>
== Test ==
Finally, send a test email.
<pre>
echo 'this is a test'| mail -s test_email user@example.com
</pre>
If it fails, read /var/log/maillog and /var/log/messages.
<div style="borderRef: 1px solid #A3B1BF; padding [http: //www.techvilleottawa.5em 1em; color: #000; background-color: #E6F2FF; margin: 3px 3px 1em 3px;"> SMTP_SERVER=your_isp_smtp_server USERNAME=your_smtp_username PASSWORD=your_smtp_password cd org/etc/mail echo "AuthInfo:$SMTP_SERVER \"U:$USERNAME\" \"P:$PASSWORD\" \"M:PLAIN\"" >> access makemap hash access < access make service sendmail restart</div>-smtp-gmail-relay-on-fedora-centos-redhat Sendmail SMTP Gmail Relay on Fedora-Centos-Redhat]
== Troubleshooting ==* If you need to connect to get the SMTP server using port 465 (SSL)message " warning: SASL authentication failure: No worthy mechs found", you'll need to do install this too:package. yum install cyrus-sasl{,-plain}
<div style="border: 1px solid #A3B1BF; padding: .5em 1em; color: #000; background-color: #E6F2FF; margin: 3px 3px 1em 3px;">Restart Sendmailcd /etc/mailecho "define(\`RELAY_MAILER_ARGS', \`TCP \$h 465')dnl" >> sendmail.mcecho "define(\`ESMTP_MAILER_ARGS', \`TCP \$h 465')dnl" >> sendmail.mcm4 sendmail.mc > sendmail.cfmakeservice systemctl restart sendmail restart</div>
Bigfoot65
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