Hot answers tagged

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Assuming that you have set up SPF, DKIM, rDNS and that you are not blacklisted, your only options is Microsoft Smart Network Data Services. No kidding. That is official MS's program for registering responsible person (administrator) for IP address on which mail server runs. That way you can observe and review status of IP address of your mail server. MS ...


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Doing an ARIN lookup of your IP, it looks like it's coming from a provider that offers cloud hosting services. It seems pretty standard for Cloud hosting providers to get blacklisted simply because of how often IP addresses can change hands and how easy it is for instances to send Spam. Mail services end up black listing the entire hosting provider's block....


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The headers you posted don't really look like Hotmail Headers. Can you log into hotmail online not through thunderbird and grab the headers from the actual email. They normally contain all the codes to tell you why it's going to spam. I did check your IP at Symantec and it was clean (sometimes that's the culprit for Hotmail issues). You also might have a ...


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You can do this using smtpd_restriction_classes in main.cf like this: smtpd_recipient_restrictions = ... check_recipient_access hash:/etc/postfix/recipient_access ... smtpd_restriction_classes = tocustomerx tocustomerx = check_sender_access hash:/etc/postfix/customer_x_sender_access In /etc/postfix/recipient_access put something like this: ...



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