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Invalid sender domain MX record

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benny View Drop Down
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    Posted: 14 December 2004 at 11:06am

What does this mean? One of my customers' email is caught with this "Invalid sender domain MX record" problem.

 

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benny View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote benny Quote  Post ReplyReply Direct Link To This Post Posted: 14 December 2004 at 11:09am
OK, I know it says the MX record for the sender's domain does not exist, but i guess my question is, if the MX record is missing, does that mean this is a spam email?
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Desperado View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Desperado Quote  Post ReplyReply Direct Link To This Post Posted: 14 December 2004 at 11:43am

Benny,

Follow the following threads.  BUT ... Read all the posts as there has been quite a lot of discussion:

http://www.logsat.com/spamfilter/forums/showmessage.asp?messageID=4597
http://www.logsat.com/spamfilter/forums/showmessage.asp?messageID=4665

Dan Seligmann

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Post Options Post Options   Thanks (0) Thanks(0)   Quote LogSat Quote  Post ReplyReply Direct Link To This Post Posted: 14 December 2004 at 6:09pm
Benny,

The MX record filter checks to see if the email domain of the sender's email address has a valid MX record assigned to it. If it's missing or is invalid, then SpamFilter will reject the email.

While having an MX record is not strictly required, it is a good practice for administrators to configure one for the email domains they use. As Dan S. suggested, please see the link he provided for a full discussion.

Roberto F. LogSat Software
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Chris View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Chris Quote  Post ReplyReply Direct Link To This Post Posted: 13 February 2006 at 6:29pm

Please advise what MX stands for?

 

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LogSat View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LogSat Quote  Post ReplyReply Direct Link To This Post Posted: 13 February 2006 at 6:51pm
It is the Mail eXcahnger record(s) in the DNS. It tells an SMTP server to which address it needs to send emails addressed for a domain.

Please see RFC 2821 for more details.
Roberto Franceschetti

LogSat Software

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