Charles Marcus put forth on 10/7/2009 1:32 PM: > You can fix this by setting relayhost = [smtp.myisp.com]
If they're blocking outbound TCP 25 from his CPE, how is changing from a dotted decimal address in relayhost to an fqdn going to help? _It won't_. What he's going to need to do is one (or more) of the following: 1. Request ISP remove TCP 25 block from his account 2. Install/configure SASL red hat libraries -- sry no help here, Google for "rad hat SASL library" 3. Configure Postfix to send via SASL over either TCP 25 or 587 Create /etc/postfix/sasl_passwd smtp.webfaction.com usern...@webfaction.com:password Then execute: postmap /etc/postfix/sasl_passwd Add the following to /etc/postfix/main.cf relayhost = [smtp.webfaction.com]:587 smtp_sasl_auth_enable = yes smtp_sasl_security_options = noanonymous smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd -- Stan