Most troublesome domains:
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Domain: charter.net
Count: 18
Typical error: 550 Message identified as SPAM - Please visit http://www.charter.com/postmaster
Affected lists: mamadonna mamadonna-ny
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Domain: laclaire.net
Count: 7
Typical error: 554 >: Relay access denied
Affected lists: stfrancisumc lwenewsletter elder-estatelaw-tips devotion drillingdown notices perspectives
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Domain: i2k.com
Count: 3
Typical error: 554 5.7.1 >: Sender address rejected: Access denied
Affected lists: ptbuzz
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Domain: twec.com
Count: 3
Typical error: 550 5.7.1 >... Command rejected
Affected lists: drillingdown
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Domain: public.szptt.net.cn
Count: 3
Typical error: 554 this mail is rejected by antispam system, id=pupaisp4.12151.1217498841&date=2008073118
Affected lists: ptbuzz
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Domain: eriecoast.com
Count: 3
Typical error: 550 policy violation ... (#5.5.5)
Affected lists: lwenewsletter
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Domain: spoornet.co.za
Count: 3
Typical error: 554 email rejected due to security policies - MCSpamSignature.sa.11.0
Affected lists: love
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Domain: aberion.pl
Count: 3
Typical error: 553 your message looks like a spam... twoja wiadomosc wyglada na spam...
Affected lists: drillingdown
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Domain: albamatic.it
Count: 3
Typical error: 554 Your email is considered spam (6.40 spam-hits)
Affected lists: lwenewsletter
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Domain: digitaldrive.co.uk
Count: 3
Typical error: 550 Message content rejected by recipients spam filter.
Affected lists: ptbuzz