Most troublesome domains:
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Domain: the519.org
Count: 6
Typical error: 550 5.7.1 Unable to relay for xxxx@the519.org
Affected lists: irqo
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Domain: cmich.edu
Count: 6
Typical error: 554 5.7.1 Message rejected because of unacceptable content. For help, please quote incident ID 147174776.
Affected lists: petwarmers
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Domain: forrestcitychamber.com
Count: 4
Typical error: 554 5.7.1 This message has been blocked because it contains FortiGuard - AntiSpam blocking URL(s).(black url sti.net)
Affected lists: petwarmers
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Domain: firstmortgageco.com
Count: 3
Typical error: 554 5.7.1 Message rejected because of unacceptable content. For help, please quote incident ID 3396659.
Affected lists: learnfinance
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Domain: ou.edu
Count: 3
Typical error: 550 5.7.1 Message rejected as spam by Content Filtering.
Affected lists: romantic
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Domain: cici.mb.ca
Count: 3
Typical error: 500 Mail appears to be unsolicited -- send error reports to postmaster@cici.mb.ca to ensure delivery
Affected lists: wwrecipesplus
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Domain: leadway.com
Count: 3
Typical error: 550 5.7.1 Message rejected as spam by Content Filtering.
Affected lists: romantic
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Domain: bdonline.com
Count: 3
Typical error: 554 5.7.1 Message cannot be accepted, spam rejection
Affected lists: pjalert
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Domain: rmci.net
Count: 3
Typical error: 554 Failure Message looks like spam, sorry not wanted here q=137398765
Affected lists: the-daily-signal
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Domain: james-city.va.us
Count: 3
Typical error: 550 5.7.1 Message rejected as spam by Content Filtering.
Affected lists: pjalert