E-Mail FAQ

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Greylisted

Background Information

Greylisting is an anti-spam strategy at the receiving end.

  • An incoming e-mail from an unknown sender is rejected.
    • Spammers, generally, do not retry e-mails.
    • Legitimate mail servers do try resending, repeatedly.
  • So when the receiving mail server sees the retry, it will accept the e-mail as valid and process it.

All e-mails are delayed--the first time. Subsequent e-mails from the same addresses go through.

For further information:  http://www.greylisting.org/ 

Error Message:

One example:  "Greylisting in action, please come back later"

Resolution:

No action required--our server is working properly and it will automatically resend your e-mail.  When the greylisting mail server sees the resend, it will process the message  normally.  There will be a 4 hour delay, approximately.