/etc/postfix/main.cf should use loopback-only not localhost
Originator: | mackyle | ||
Number: | rdar://6822964 | Date Originated: | 23-Apr-2009 06:28 PM |
Status: | Open | Resolved: | |
Product: | Mac OS X | Product Version: | 10.5.6/9G55 |
Classification: | Other Bug | Reproducible: | Always |
23-Apr-2009 06:28 PM Kyle McKay: DESCRIPTION: Apple provides an adjusted postfix configuration file to increase security. This file, /etc/postfix/main.cf, contains the line: inet_interfaces = localhost which is intended to reduce exposure and improve security. Unfortunately, that prevents postfix from offering both IPv4 and IPv6 connections on localhost. Instead the following lines should be used: inet_protocols = all inet_interfaces = loopback-only Which also only binds to the localhost loopback interface, but WILL provide both IPv4 AND IPv6 connections. EXPECTATION: The rest of Mac OS X is shipped pretty-much IPv6 enabled/ready. The expectation is that postfix will ship with a similar IPv6 enabled/ready configuration and it currently does not. WORKAROUND: Manually edit the configuration file.
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