Setup email on your Linux server

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I use ubuntu for my webserver. When I want the system to send me alerts or notifications, it doesn’t know how. It will create a system generated email but it doesn’t go anywhere. So why not tell it to use gmail to send emails. 

   # apt-get install mailx
  • Choose Internet with SmartHost
  • Type System Mail Name “xxx.xxx.com” eg webz.mot.is-a-geek.com
  • Leave SMTP relay host BLANK 
   # apt-get install exim4 exim4-config

   # dpkg-reconfigure exim4-config
  • Choose mail sent by SMARTHOST; received via SMTP or fetchmail
  • Type System Mail Name “xxx.xxx.com” eg mot.is-a-geek.com
  • Type IP Adresses to listen on for incoming SMTP connections: 127.0.0.1
  • Leave Other destinations for which mail is accepted BLANK
  • Leave Machines to relay mail for BLANK
  • Type Machine handling outgoing mail for this host (smarthost): smtp.gmail.com:587
  • Choose NO, don't hide local mail name in outgoing mail.
  • Chose NO, don't keep number of DNS-queries minimal (Dial-on-Demand).
  • Choose what mail delivery method you want...
  • Choose YES, split configuration into small files



Now edit /etc/exim4/passwd.client 

   nano /etc/exim4/passwd.client

Add the lines 

   gmail-smtp.1.google.com:yourAccountName@gmail.com:Y0uRpAssW

   *.google.com:yourAccountName@gmail.com:Y0uRpAssW

   smtp.gmail.com:yourAccountName@gmail.com:Y0uRpAssW

Then make sure root owns the file 

   chown root /etc/exim4/passwd.client

Now test the system 

   mail you@yourself.com

enter a subject

enter some body text and press Ctrl+d when finished. Check your mail.

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