Phone : iPhone Carrier : At&T OS version : iOS 5 IMAP Port : 143 POP3 Port : 110 SMTP Port : 587 Setting > Mail > Other > IMAP / POP (either one) - NO SSL > Next > Save IMAP server : imap.yourhosteddomain.com POP3 server : pop3.yourhosteddomain.com SMTP server : smtp.yourhosteddomain.com SSL by default is on for both incoming and Outgoing server, make sure to turn this off from 'Advanced' menu SMTP server needs authentication to work. Make sure to put in your full email address as username older iOS version should have similar setup.
