id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 3713 use Python's make_msgid() for generating Message-ID email header Gary Wilson Adrian Holovaty "Message-ID was asked for in #2991, commited in [4051], and had some tweaks in [4058], [4065], and [4536]. Python's `email.Utils` (or `email.utils` in python2.5) provides a function, `make_msgid()`, that accomplishes the same thing. Note, however that `make_msgid()` does not cache the hostname like our current code does." closed Core (Mail) dev fixed Accepted 1 0 0 0 0 0