Bonjour,
Je n’arrive pas à envoyer d’email depuis un serveur Postmark sur une adresse @skynet.be.
J’ai les DMARC, DKIM, SPF valides, seul les adresses @skynet me retourne un ISP block.
Comment être whitelisté ?
smtp;554 Your access to this mail system has been rejected due to poor reputation of a domain used in message transfer
Merci
Question
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