Category : Postfix

Trying to send email to an outlook.com account and getting this failure. : Host or domain name not found. Name service error for name=outlook.com type=AAAA: Host not found Currently Microsoft doesn’t support IPv6 for hotmail.com, live.com or outlook.com. Postfix by default if IPv6 is enabled will attempt a IPv6 DNS lookup, the AAAA record, this ..

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Changing postfix to qmail which will use the primary IP of the server (216.55.xxx.xxx) to send messages for all accounts is a great way to change the sending IP to one that is not blacklisted. Qmail default IP default mail ip in /var/qmail/control/..

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