Searching for Postfix Disable Ipv6 Support information? Find all needed info by using official links provided below.
http://www.postfix.org/IPV6_README.html
The IPv6 network address matching code was rewritten from the ground up, and is expected to be closer to the specification. The result may be incompatible with the Postfix/IPv6 patch. IPv6 Support for unsupported platforms. Getting Postfix IPv6 working on other platforms involves the following steps:
https://0049am.wordpress.com/2018/07/06/how-to-disable-ipv6-in-postfix-mta/
Jul 06, 2018 · You probably just need to disable IPv6 stack in Postfix on purpose or you are getting the following messages in /var/log/mail.log file Jul 6 00:29:18 tx120 postfix/master[3447]: warning: inet_protocols: disabling IPv6 name/address support: Address family not supported by protocol Jul 6 00:29:18 tx120 postfix/postsuper[12370]: warning: inet_protocols: disabling IPv6 name/address support ...
https://unix.stackexchange.com/questions/64414/ipv6-support-is-disabled-warnings
To disable the messsage, go to /etc/postfix/main.cf and change from: . inet_protocols = all to: inet_protocols = ipv4 This will only use ipv4 and the warning message will go away. You will have to issue a stop and start for postfix to register the change. A simple reload will yield:
https://www.howtoforge.com/community/threads/postfix-ipv4-0r-ipv6.5314/
Jun 03, 2014 · I have postfix running with tls enabled now I want to disable IPV6 if I do this then these warning messages appear. postfix/sendmail[5824]: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocol postfix/postdrop[5827]: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocol
https://www.linuxtopia.org/online_books/mail_systems/postfix_documentation/IPV6_README_002.html
Configuration. Postfix IPv6 support introduces two new main.cf configuration parameters, and introduces an important change in address syntax notation in match lists such as mynetworks or debug_peer_list. Postfix IPv6 address syntax is a little tricky, because there are a few places where you must enclose an IPv6 address inside "[]" characters, and a few places where you must not.
https://www.endpoint.com/blog/2014/08/19/postfix-ipv6-preference
Aug 19, 2014 · Postfix IPv6 preference. By Jon Jensen August 19, 2014 On a Debian GNU/Linux 7 (“wheezy”) system with both IPv6 and IPv4 networking setup, running Postfix 2.9.6 as an SMTP server, we ran into a mildly perplexing situation.
https://blog.hqcodeshop.fi/archives/122-Fixing-Googles-new-IPv6-mail-policy-with-Postfix.html
Oct 18, 2013 · The author of my favorite MTA, Postfix, Mr. Wietse Venema offered a piece of advice to another poor postmaster like me in the official Postfix User's Mailing list "disable ipv6 when sending to gmail?" The idea is to use Postfix's SMTP reply-filter feature. With that, postmaster can re-write something the remote server said into something useful ...
https://support.microsoft.com/en-us/help/929852/guidance-for-configuring-ipv6-in-windows-for-advanced-users
Nov 12, 2019 · It is common for IT administrators to want to disable IPv6. This is often because of some unknown, networking-related issue, such as a name resolution issue. Important Internet Protocol version 6 (IPv6) is a mandatory part of Windows Vista and Windows Server 2008 and newer versions. We do not recommend that you disable IPv6 or its components.
https://shobon.hatenablog.com/entry/2012/02/11/222728
CentOS6.2のPostfixがデフォルトでIPv6対応になっているため、OSでIPv6を無効にした場合に下記のような警告を出力する。 # newaliasesnewaliases: warning: inet_protocols: IPv6 support is disabled: Address family …
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