[MM3-users] mailman addmember/syncmember commands print undecoded UTF-8 [ADD] or [DEL] mail addresses in its messages like "[ADD] =?utf-8?q?John_=....."

Wikinaut writes:

[ADD] =?utf-8?q?John_=28Foo=29_Doe_=5Bcomment1=5D_=5Bcomment2=5D?= <john.foo.doe@example.com>

That's called a MIME word, defined in RFC 2047. It's used when something in a messages can't be presented verbatim, in this case because the characters "()[]" have defined syntax in the context of an address, and therefore must be quoted in the display name ... but they weren't. It's a convenient way to ensure that the original display is reproduced exactly without Mailman adding quoting.

-- GNU Mailman consultant (installation, migration, customization) Sirius Open Source https://www.siriusopensource.com/ Software systems consulting in Europe, North America, and Japan