Category "postfix-mta"

Consistently getting None (no SPF record) even when SPF record is defined

I am trying to create an SPF record for my domain and enable my mail server to evaluate it. I am using Postfix on the mail server and policyd-spf (Python) to ev

can't load key in OpenDKIM Permission denied

Previously working Dovecot / Postfix / DKIM setup with multiple domains working correctly for months. I attempted to add a new domain name. Retracing what I d

Postfix regexp header_check for endif shows ERROR: expected format: key whitespace value

I'm using the postfix version 3.5.9 in main.cf header_checks = regexp:/etc/postfix/header_checks in /etc/postfix/header_checks if /^From:/ !/(^From:.*domain\.c

Connection refused when trying to send mail using postfix

I want to use the mail() function in PHP. In order to do that, I've installed postfix. I am running on Ubuntu 18.04. My problem is that I can't send mail as I h