I am able to telnet even remotely to mail.mydomain2.com
telnet mail.mydomain2.com 25
Connected to mail.mydomain2.com.
Escape character is '^]'.
220 mail.mydomain2.com ESMTP Postfix
AUTH PLAIN 'hashed user /pw'
235 2.0.0 Authentication successful
but the webmail, and mail clients (OS X mail.app and Outlook 2003) can not receive or send. I have sent several mails from clients i know to be working that never reach the mailbox that i can see. Please help, this is driving me nuts.