Postfix

Postfix SMTP server: errors – TLS not available due to local problem

Leave a Comment / Postfix / By /

Postfix has been trying to tell me something: your configuration is wrong. Most cleverly, Postfix has been emailing me about this. The first email came on 22 Oct 2014. I ignored it. The second email arrived five days later on 27 October 2014: I recall looking around, but I didn’t do anything. I think I found an error in the logs but didn’t have time to fix it. A few days ago, another […]

Postfix SMTP server: errors – TLS not available due to local problem Read More »

Postfix client certificate verification

Leave a Comment / FreeBSD, Mail, Open Source, Postfix / By /

I decided to set up some of my mail servers to require certification authentication on the submission port (587). In my case, I want to forward mail from my server at home to my public servers out there on the Internet. I don’t want just anyone to be able to submit mail here, so the easiest way for me do to this was with certification. I could have done it with IP addresses,

Postfix client certificate verification Read More »

Things to do

Leave a Comment / FreeBSD, Mail, Open Source, Postfix / By /

I have a number of things I want to get done in the short term: remove the mail server on my gateway box at home and start using a mail server on an internal box Configure my external mail servers (out there on the Internet) to use TLS when talking to each other Configure those same servers to accept mail from that new internal mail server Stop using Postfix on servers which only

Things to do Read More »

postfix/postdrop: warning: uid=0: File too large

4 Comments / Postfix / By /

NOTE added 2013-11-10: I think I found the cause. Read about it in this FreeBSD Forums post. I’ve seen seeing the following in the mail log for my imap server. The mail messages in question are the daily run and security run emails that go out from FreeBSD machines. They aren’t big. As shown above, you can see one was only 1157 bytes. What is curious about this setup: the imap server runs

postfix/postdrop: warning: uid=0: File too large Read More »

Scroll to Top