Manage email routing and protect domains and mail servers. You can configure SMTP/S, POP/S, and IMAP/S policies with spam and malware checks, data protection, and email encryption.
MTA mode is available only with the following models and higher: XG105, Cyberoam CR25iNG, SG105.
SMTP deployment mode
You can configure Sophos Firewall in the following modes:
- MTA mode: Acts as a mail transfer agent (MTA) that routes and relays emails. You can view the mail spool and mail logs.
- Legacy mode: Acts as a transparent mail proxy that forwards emails.