SMTPd restrictions, SPF, DKIM and greylisting

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! Postfix provides the ability to apply filters during the SMTP session. When an email arrives at your mail server the following steps are usually

Managing your mail server

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! Managing control information of a mail server in a databaes gives a lot of flexibility compared to raw text files. But let’s be honest

Authenticated SMTP

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! Relaying Before we dive into SMTP authentication I want you to understand what relaying actually means. When Postfix receives an email and needs to

Testing email delivery

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! By now you will have spent considerable time digging through configuration files and trying to understand new terms. And you may be worried whether all

Connecting Postfix to the database

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! In the previous chapter you have fed the MySQL database. Now it’s time to make use of it. The entry point for all email on your

Tracking last logins with Dovecot

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! Per request I have added a section to the Wheezy ISPmail tutorial about how to track last logins with the Dovecot mail server. This

Webmail access using Roundcube

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! Apparently an increasing number of users does not want to up an email client like Thunderbird. Instead they believe that email is supposed to be managed using

Malware scanning using AMaViSd

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! (I have not tested this kind of AMaViSd setup in production thoroughly. Proceed with prejudice. Please comment if everything worked for you. Thanks.) (This

Sysadmin niceties

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! This page deals with a few miscellaneous issues that system administrators should consider. Logrotate On a busy mail server your /var/log/mail.log will grow quickly.

Troubleshooting

There is a newer issue of thie ISPmail guide available if you are using Debian Jessie! General troubleshooting tips Run “postfix check” to make Postfix look for obvious configuration errors. If it returns no output then no problem was found.