sendmail/e-mail doesn't work

Well, what doesn't work? You have to find out what exactly doesn't work. That involves finding a complete error message or taking a look at the logfile.

Incoming Mail doesn't work

1. did you start the sendmail daemon?

   (e.g., sendmail -bd)

2. Does it run?

   ps axuww | grep sendmail or ps -eaf | grep sendmail

3. Check the logfile for any errors.
4. Connect to your sendmail daemon:

   telnet localhost 25 Does it respond?

5. Send yourself a test message from another system:

   date | sendmail -v you@your.domain and take a look at the output.

Outgoing Mail doesn't work

1. Send a test message to another system:

   date | sendmail -v nobody@another.domain and take a look at the output.

2. Check the logfile for any errors.