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by kps 4230 days ago

  >  I Noticed spammers have learned the trick and omit the "+..".
If you control your own email,

1. Configure a different character, e.g. ‘-’, as your subaddress separator.

2. Set up ‘joe@example.com’ as a spam trap.

3. Set up ‘joe+from@example.com’ as an email address.

4. Provide ‘joe+from-random-signup@example.com’ externally.