Question

* Error: * Name server reports domain name unknown

Asked by: aucklandnz

 

Hi Guys,

It seems like my Mdaemon doesnt accept email from some domains

 ----- Transcript of session follows ----- ... while talking to mail.mymdaemonserver.com.:
>>> EHLO kiwi.online.apn.nz
<<< 451 <kiwi.online.apn.nz> is invalid or DNS says does not exist <user@mymdaemonserver.com>... Deferred: 451 <kiwi.online.apn.nz> is invalid or DNS says does not exist
Warning: message still undelivered after 30 minutes Will keep trying until message is 1 hour old


Any idea why ?

Thanks

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Asked On
2009-01-26 at 18:45:47ID24085684
Topic

Mdaemon

Participating Experts
2
Points
500
Comments
2

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Answers

 

by: moorhouselondonPosted on 2009-01-26 at 23:58:29ID: 23474347

If kiwi.online.apn.nz is not a valid address (Mdaemon checks this using DNS), then it is likely that this is a Spammer trying to force-feed you messages.  However, there are lots of mis-configured Mail Servers out there, but do not feel guilty if your mail server is rejecting messages from them as any sensible mail recipient should also be doing the same.  You could knock out the checking that Mdaemon does, but I would *not* recommend this - better to Whitelist this sender.

 

by: computermaster_zPosted on 2009-04-22 at 07:57:38ID: 24205595

Hi,
    If kiwi.online.apn.nz's smtp server and pop server is static ip address,you can set mx address and ip cache.
    1.open "Settings" menu,and open "Primary Domain"-"DNS"-"Edit MXCACHE",to edit MXCACHE.
    2.open "Settings" menu,and open "IP Cache",to add ip address for this domain.

Good luck!

20120131-EE-VQP-002

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