Hi, I don't know the answer because I set all my devices to UTC. But I can suggest it's difficult to find all the places where your time zone is leaked so setting it to UTC or some misc. time zone is probably not a bad idea.
/jl On Wed, 24 Jul 2019 07:06:52 +0000 Ryan Smith <g...@riseup.net> wrote: > By default, mutt uses local or computer time zone in outgoing email > full header, Date section. > > How to force mutt to use UTC as time zone in all outgoing email > headers? > > set_hdr Date=? > > K9 Mail in Android has such option in privacy settings Hide Timezone, > use UTC instead of local time zone. Ryan