Here are a few handy items for Postfix email server users:
1. If your system is acting as a spam / antivirus / relay server for secondary internal servers, and your destination mail server is down, postfix will queue your messages to resend at a later time. In order for postfix to instantly re-queue these messages [...]
Categories: Email, System Administration
Tagged: destination mail server, open source software, relay server
Well I got a lesson in properly configuring your e-mail server’s error messages. Since setting up postfix as a anti-spam and anti-virus gateway for my exchange system (see my article Postfix as proxy to exchange server), I had left the option
soft_bounce = yes
enabled in my postfix configuration.
This worked fine for months. However, I [...]
Categories: Configurations, Email
Tagged: e-mail server, remote server
If your Mozilla Thunderbird is slow to open the inbox, or any other folder for that matter, there are two things that you can do to try to fix this problem.
Step #1: The first thing is to try to compact the folder. This should help if you have a large inbox. If you can’t even [...]
Categories: Configurations, Email, Programs
I recently had a problem where my Spamassassin install started thinking that a lot of spam messages were really ham (non-spam). Since these were getting BAYES_00 scores of -2.5 they were almost all getting through my spam filter. These particular messages all were regarding STOCK quotes and were pretty obviously spam just by looking at [...]
Categories: Configurations, Email, Linux, Shell, System Administration
Tagged: spamd server
More and more people seem to be using an open source mail server on linux, such as Postfix, to proxy e-mails coming in from the net and relaying them to their exchange server. I know I’ve had this type of setup since January and it has been working really well for me. It gives you [...]
Categories: Email, Linux, Perl, System Administration, Windows
Tagged: Chris Covington, exchange server postfix server, GUI, Linux, open source mail server
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