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I'm starting KMS 6.5.1, after normal settings.
I can receive and send mails between inner users, and even sending mails to external e-mail.
However, I cannot send mail to inner users from outside, all of which are sent back, with waring as follows:
SMTP error, RCPT TO: 550 relaying denied

and in the pop3 download setting pannel, I fill the server like:
but errors occur:
mail_pop3c.cpp: POP3 server hostname not found

any replies would be appreciated !

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The errors state it all... Wink

1: Some message are coming in that contain a non-local address - or one that the SMTP server does not allow relaying to!

2: Seems the hostname does not resolve in DNS.. troubleshoot!

JAP.local [~] >dig

; <<>> DiG 9.6.0-P1 <<>>
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 65477
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

; IN A

;; Query time: 2214 msec
;; WHEN: Thu Jul 30 13:27:19 2009
;; MSG SIZE rcvd: 38

So, the POP3 error is pretty valid!

[Updated on: Thu, 30 July 2009 13:29]


Jakob Peterhänsel
Consultant - Humac A/S

Apple Certified Support Professional (ACSP)
Apple Certified Technical Coordinator (ACTC)
AppleSeed/CQF member since 1998
Kerio Messaging Partner

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3ks for your replies.
but I don't quite understand what you'v said.

I tried to set the pop3 and smtp server to the local IP, and then, I can send & receive mails between local mailboxes, and I can even send mails to external mailbox, from my local mailbox.
What I cann't do is to receive mails from the externals, eg. from gmail.

I tried normal formats like or
as mail server, still, lots of errors occured, as followings:
1. auth failed, saying pass word incorrect, which is impossible!
2. host server no answer
3. ...

how to fix all these things?
what is the standard procedures to establish a host DNS?

any replies would be appreciated !

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Sorry - I'm a little confused...

Is your server reachable on port 25 from the outside world?

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