smtp; 550 we do not accept mail from this address.


How can I solve the next problem I have when I send an e-mail: Action: failed Final-Recipient: rfc822; Diagnostic-Code: smtp; 550 we do not accept mail from this address. Status: 5.3.0

It only happens to me with that e-mail address.

Thanks for your help & answers.

1 Answer


I'm sorry to hear you're experiencing problems with sending mail to that recipient. The error suggests that the recipient or its provider has blocked you either via domain or the Amazon sending end-points. I would recommend reaching out to the recipient to see what is blocked.

Kind regards, Robin

ps. If you're using the complementary domain I would recommend to switch to a personal registered domain as is only intended for testing purposes.

answered 3 months ago

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