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Fastmail bouncing emails to me form a "new" domain
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4 Jan 2019, 03:21 PM
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BritTim
The "e" in e-mail
Join Date: May 2003
Location: mostly in Thailand
Posts: 3,090
Greylisting can be annoying, but blocks a high proportion of phishing and spam attacks. As long as temporary failure email delivery is retried normally by the sending mail server, the only effect should be delayed delivery.
BritTim
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