If test mail works, your config works. If you don't get alert mails, either there is a problem with the actual alerter or with your checkers. Please show your checkers, and check whether the "alerted" column in the test list has a value or says Never.
I tried different config, but nothing is working and with this config when I do a test, I receive the e-mail in my gmail box, but nothing about port down or bgp session down…