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EMAIL-GREYLISTED

Temporary refusal (greylisting)

What it means

Some servers reply 4xx to the first attempt from an unknown sender and accept a retry minutes later. A probe cannot wait, so the result is unknown; real mail is normally delivered on retry.

How to fix it

  1. 1Nothing to fix for delivery.
  2. 2To verify the mailbox, send a real message and watch for a bounce, or ask the recipient.

Re-check after the change

DNS changes can take up to the record's TTL to be seen; use Re-run on the result page to bypass our 10-minute cache.