Hi, look at # man 5 postconf
and search for smtp_sasl_auth_enable and smtp_sasl_passsword_maps. Example: smtp_sasl_auth_enable = yes smtp_sasl_passsword_maps = hash:/etc/postfix/yourdb-file the db file looks like that: your-isp.com username:password Achim -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]