Le 12/07/2013 21:08, J Gao a écrit : > Forgot to mention that I also use SASL to authenticated user: > SMTP on port 587 only (STARSSL) > IMAP on port 993 (SSL) > POP3 on port 995 (SSL) > > So for email, port 25, 587, 993,995 is opened on firewall. > >
STARTTLS also exists in IMAP or POP3 (where it is called STLS). And you'll need SMTP on port 25 to receive email from outside.
