Most troublesome domains:
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Domain: 21cn.com
Count: 15
Typical error: 554 this mail is rejected by antispam system, id=aisp5-mta@dg.26757.1208907308&date=2008042307
Affected lists: heartwarmers
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Domain: buffnet.net
Count: 12
Typical error: 500 Mail appears to be unsolicited -- send error reports to xxxx@buffnet.net - if you attached an executable file or a ZIP file - rename it and tell the person you are sending it to to rename it back to the original when they save it.
Affected lists: heartwarmers petwarmers
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Domain: siemens.com
Count: 9
Typical error: 550 Your e-mail could not be delivered successfully to Siemens (maybe due to spam protection). To avoid any misunderstandings, please contact the Siemens recipient. (149900::080423013426-6CD176C0-B0B221A2/0-305986237/0-10)
Affected lists: heartwarmers
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Domain: cbs.dk
Count: 6
Typical error: 554 Unable to process message: msg.1208895752.393236.29376 - error: recipient: xxxx@cbs.dk failed, reason: consider the message to be spam
Affected lists: mef
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Domain: sheldon.k12.ia.us
Count: 6
Typical error: 501 Syntax error in parameters or arguments
Affected lists: etriangle
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Domain: neumannbros.com
Count: 6
Typical error: 550 5.7.1 This system is configured to reject mail from 67.200.150.180 [67.200.150.180] (DNS reverse lookup failed)
Affected lists: etriangle
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Domain: jetro.go.jp
Count: 6
Typical error: 550 5.7.1 Rejected: 67.200.150.179 listed at relays.ordb.org
Affected lists: mef
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Domain: friendlycity.net
Count: 6
Typical error: 554 5.7.1 Command rejected
Affected lists: heartwarmers wwrecipes
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Domain: avantix.com
Count: 4
Typical error: 554 5.7.1 The message from (>) with the subject of (Cuban Bolivar Coronas Extra) matches a profile the Internet community may consider spam. Please revise your message before resending.
Affected lists: absolutecigarsgoldclub
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Domain: penmore.com
Count: 4
Typical error: 554 5.7.1 The message from (>) with the subject of (Ignorance isn't bliss) matches a profile the Internet community may consider spam. Please revise your message before resending.
Affected lists: naomiragen