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This system will not accept this message, based on the MAIL FROM address???

Hi,

Can anyone help me with this NDR?. What format is waiting magicspam?

-------------------------Original Message----------------------------------------------------------------------
From: Mail Delivery System [mailto:Mailer-Daemon@myserver.com]
send: Wednesday, 2010/03/31 9:43
to: postmaster@myserver.com

subject:Message frozen

Message 1NwsaB-0006RK-HE has been frozen (delivery error message).
The sender is <>.

The following address(es) have yet to be delivered:
  eibar2@testdomain.com: SMTP error from remote mail server after RCPT
TO:<eibar2@testdomain.com>: host testdomain.com [ip_of_server]: 550-Your message was
rejected by this system and was not delivered.\n550-Reason: This system will
not accept this message, based on the MAIL FROM address
provided\n550-Protection provided by: MagicSpam 1.0.4-5
(http://www.magicspam.com/)\n550-For more information, please visit the
URL:\n550-http://www.linuxmagic.com/best_practices/valid_from_domain.html\n5
50 or contact your ISP or mail server operator.

Thank you in advance
0
VMWARE
Asked:
VMWARE
  • 2
1 Solution
 
Syngin9Commented:
Well, its rejecting the email based on the MAILFROM but you changed the MAILFROM to elbar2@testdomain.com (I'm assuming that you don't actually own testdomain.com) so there isn't much we can do about that issue until you provide legitimate details.

Did you read http://www.linuxmagic.com/best_practices/valid_from_domain.html/n5 ?
0
 
VMWAREit security administratorAuthor Commented:
Hello Syngin9,

This is the "original" message:

-------------------------Original Message----------------------------------------------------------------------
From: Mail Delivery System [mailto:Mailer-Daemon@myserver.com]
send: Wednesday, 2010/03/31 9:43
to: postmaster@myserver.com

subject:Message frozen

Message 1NwsaB-0006RK-HE has been frozen (delivery error message).
The sender is <>.

The following address(es) have yet to be delivered:
  eibar2@ikatz.es: SMTP error from remote mail server after RCPT
TO:<eibar2@ikatz.es>: host ikatz.es [217.160.6.244]: 550-Your message was
rejected by this system and was not delivered.\n550-Reason: This system will
not accept this message, based on the MAIL FROM address
provided\n550-Protection provided by: MagicSpam 1.0.4-5
(http://www.magicspam.com/)\n550-For more information, please visit the
URL:\n550-http://www.linuxmagic.com/best_practices/valid_from_domain.html\n5
50 or contact your ISP or mail server operator.

thanks
0
 
Syngin9Commented:
Most spam filters offer you the option of blocking by country (in the MAIL FROM)  Perhaps this is what's happening.

A few years ago, we were receiving a ton of spam email from Romania so we blocked everything with a .ro extension.

Note: I just realized the .es top level domain is Spain and not Estonia.  I doubt anyone would block all email coming from Spain though.  Your server ip isn't bloacklisted either: http://www.senderbase.org/senderbase_queries/detailip?search_string=217.160.6.244

Perhaps contact the server's admin? Or post the issue on MagicSpam's forum?  http://forums.wizard.ca/viewforum.php?f=4
0

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