Cannot send or receive email ('Message not sent. Server replied:)

[joximu]

Kika Wrote:(if this is possible than replace telnet to ssh with rsa authentication because security reason.)

slightly ot:
he is telnetting to port 110 (pop3) - this is not a security thing, telnet is the right protocol to check pop3 manually.

@Numicus:
could you post (again) which ispCP version you're using? and maybe a "postconf -n"...