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Mail from SUSE Linux(Outlook) #Requirements and Intro In this, we will use Postfix as our MTA (mail transfer agent).  Postfix is a free, open-source, actively maintained, and highly secure mail transfer agent. Make sure port 25 and 587 is open or not. In December of 1998, R. Gellens and J. Klensin submitted RFC 2476 in support of adding a new specification for internet email communications. The RFC proposed a split of the traditional massage submission and message relay concept. The RFC defined that message submission should occur over port 587 to ensure new policy and security requirements don't interfere with the traditional relay traffic over message relay port 25. this can perfectly work for (SLES 11 SP4) (SLES 12 SP3)(SLES 15) as per test 1. Install Required Software zypper update && zypper install postfix mailx cyrus-sasl For other Linux flavor, we can change the word zypper  with the respected installer Note: Before update ensure with administrat...

Mail from SUSE Linux to Gmail In this, we will use Postfix as our MTA (mail transfer agent).  Postfix is a free, open-source, actively maintained, and highly secure mail transfer agent. Make sure port 25 and 587 is open or not. In December of 1998, R. Gellens and J. Klensin submitted RFC 2476 in support of adding a new specification for internet email communications. The RFC proposed a split of the traditional massage submission and message relay concept. The RFC defined that message submission should occur over port 587 to ensure new policy and security requirements don't interfere with the traditional relay traffic over message relay port 25. Note: All commands require root privileges . 1. Install Required Software zypper update && zypper install postfix mailx cyrus-sasl for other Linux flavor, we can change the word zypper  with the respected installer  Note: Be sure with the administrator before updating….. . if your system is already updated just execute....