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Postfix would not bind to the ipv6 port. Gives an error of:

*** postfix/master[39799]: fatal: bind fe80::1 port 25: Can't assign requested address

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closed as off-topic by kasperd, Sven, Ward, Falcon Momot, HBruijn Nov 24 '14 at 9:21

This question appears to be off-topic. The users who voted to close gave this specific reason:

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up vote 9 down vote accepted

I changed main.cf to bind to 127.0.0.1 instead of localhost

inet_interfaces = 127.0.0.1

Restarted postfix

$ sudo launchctl stop org.postfix.master
$ sudo launchctl start org.postfix.master
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