Supported incoming mail protocols
POP3, POP3 over SSL/TLS, IMAP, IMAP over SSL/TLS
Supported outgoing mail protocols
SMTP, SMTP over SSL/TLS
To connect via POP3 securely over SSL/TLS, use port 995.
To connect via IMAP securely over SSL/TLS, use port 993.
To send messages via SMTP securely, use port 465.
Note: We force a secure TLS connection on ports 25 and 110.