Email sent undeliverable 550 error
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eqiserv
Posts
2
Registration date
Wednesday 28 June 2017
Status
Member
Last seen
29 June 2017
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28 Jun 2017 à 15:19
Peter - 18 Aug 2022 à 06:02
Peter - 18 Aug 2022 à 06:02
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18 Aug 2022 à 06:02
550 Blocked error or 550 Requested action not taken: mailbox unavailable is an SMTP (Simple Mail Transfer Protocol) error code. Put simply, this message means that the email you sent was blocked by the recipient's email hosting server, and returned to you.
Regards,
Peter