I have installed and configured an email client SquirrelMail, I have also installed Postfix and Dovecot and also Apache ( because my app is running on Nginx , i had to put the apache on port 81) , and I have configured them.
but I can only send and/or receive emails internally, from my [email protected] to [email protected]
I can not receive or send any email to an external server like google and such
for example, when I try to send email to google from SquirrelMail, I get
Message not sent. Server replied:
Temporary authentication failure
454 4.7.1 <[email protected]>: Relay access denied
and when I try to send email from Gmail to [email protected], The recipient server did not accept our requests to connect. Learn more at https://support.google.com/mail/answer/7720 [mail.shianchi.com. 45.82.138.110: FAILED_PRECONDITION: connect error (111): Connection refused] [mail2.shianchi.com. 45.82.138.110: FAILED_PRECONDITION: connect error (111): Connection refused] , but I don't see any email in that user inbox in which I sent the email to.
it has frustrated me, I don't know what to do please someone help me :( thank you beforehand