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How to fix Domain name required for sender address error in sendmail
Recently I got below mentioned sendmail error in syslog when I was trying to create a user in a python web application. relay=localhost [127.0.0.1], reject=553 5.5.4 <app@gmail.com>… Domain name required for sender address “myapp” or below error if you are using python smtp library File “/usr/lib/python2.7/smtplib.py”, line 733, in sendmail Read more…