By forestman11
I followed the tutorial https://www.digitalocean.com/community/tutorials/how-to-configure-a-mail-server-using-postfix-dovecot-mysql-and-spamassassin to try and get a mail server running at home. I’m on Comcast, however, who blocks port 25, so I added this into the config in order to use the Comcast relay. This is the only thing I did differently.
relayhost = [smtp.comcast.net]:587
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options =
I then made a file /etc/postfix/sasl_passwd and put:
smtp.comcast.net COMCASTUSERNAME:COMCASTPASSWORD
As far as I’m aware, this should work, but when I put in the details in Gmail it says it can’t reach the server. As for Gmail, I have:
SMTP Server: mydomain.net
Port: 25 [Since I'm using the relay, I'm assuming my end should be configured to 587 and outside should be pointed to 25, although I did try 587 on Gmail, too, to no avail.]
Username: email3@mydomain.net [I have 3 test accounts]
Password: [That account's password]
And I have "Secured connection using TLS" bubbled.
How should I go about troubleshooting this? Thanks.
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I’ve not personally tried this with Comcast, so I can’t verify that this indeed works, though I’d check:
https://sysmgr.org/blog/2013/05/26/sending_postfix_mail_via_comcast_smtp/
From there, if you run in to any issues, reply back and we can try to troubleshoot from there :-).
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