How to Change the Port Number in Postfix

How to Change the Port Number in PostfixThe default network SMTP port for Postfix, Sendmail and most other mail servers is 25. This is the port used to send email, and most email clients will use it by default. Unfortunately, some Internet service providers have started to block port 25 because of the high volume […]

Postfix with SASL-Authentication in Debian – Jonas Genannt

I think SMTP-AUTH is very important! Here is a short HowTo for Postfix with sasl authentication against shadow. First install the necessary packages: apt-get install postfix-tls libsasl2-modules sasl2-bin Open the /etc/default/saslauthd for the configuration. # This needs to be uncommented before saslauthd will be run automatically START=yes # You must specify the authentication mechanisms you […]