Using Postfix

Issues related to applications and software problems
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droidus
Posts: 15
Joined: 2018/10/14 13:23:12

Using Postfix

Post by droidus » 2019/11/16 01:37:12

I am using postfix to send and receive mail on a AWS instance. My iptables are wide open. I can send mail out to an external public e-mail, but when I send an e-mail to my personal mail server, I fail to receive it.

drk
Posts: 403
Joined: 2014/01/30 20:38:28

Re: Using Postfix

Post by drk » 2019/11/16 03:09:48

You have control of both sides of that equation and the answer will be in the logs.

But, sending directly from an AWS instance? I'd expect you to be blocked by a lot of mail servers unless you go through Amazon's smtp outs.

droidus
Posts: 15
Joined: 2018/10/14 13:23:12

Re: Using Postfix

Post by droidus » 2019/11/17 13:25:24

When I try to send an e-mail to my server, I get this error:
"DNS Error: 15387096 DNS type 'mx' lookup of mydomain.com responded with code NOERROR 15387096 DNS type 'aaaa' lookup of mail.<my-ip>. responded with code NXDOMAIN 15387096 DNS type 'a' lookup of mail.<my-ip>. responded with code NXDOMAIN".
What do you mean by "go through Amazon's smtp outs"?

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