SMTP Server

  Enable SMTP server
Operational mode:
Upstream SMTP host:
Domain list:
  (Send all outgoing mail to specified server)
  (Accept mail for these domains)
 
Root mail alias:
  (Root mail goes to this mailbox)
Maximum message size (MB):
  (Maximum message size in megabytes)

Security

Filter spam
Filter senders
  Local networks:
Filter recipients
 
(Filtered recipients)

POP3/IMAP Server

Enable POP3/IMAP server