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A comment on The “mail is hard” myth. Parent comment

Re:The “mail is hard” myth by al_form2000 on Sunday September 01, 2019 @07:37PM (#20855677)
I was the ISP, & they had BL'd one of my servers for delivering NDRs. They used to blacklist /16 netblocks wholesale for this kind of, "sins", and demand ransom for getting out.
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