Email frequency and engagement
ID: 106cca33-b2f5-5633-a888-a13448839dfc
STIX ID: report--106cca33-b2f5-5633-a888-a13448839dfc
Feed Name: The Spamhaus Project
The report explains that perceived tightening of ISP and filter rules during the holidays is caused by senders reaching into unengaged or purchased lists, which harms sender reputation and results in deliverability problems such as tempfails, deferrals, blocks, and possible listing on reputation services.
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