See "Steps to Reproduce" Reproducible: Always Steps to Reproduce: 1. compose a new mail message 2. enclose an attachment named a.asc (its mimetype will be recognized as application/pgp-encrypted) 3. send the mail 4. look into the copy of the sent out message in $record Maildir and find its content was changed to "Version: 1"
from sendlib.c: /* This is pretty gross, but it's the best solution for now... */ if ((WithCrypto & APPLICATION_PGP) && a->type == TYPEAPPLICATION && mutt_strcmp (a->subtype, "pgp-encrypted") == 0) { fputs ("Version: 1\n", f); return 0; } hence it feels "intended" and was introduced in changeset: 3267:601c6ba383ef branch: HEAD user: Werner Koch <wk@gnupg.org> date: Tue Jan 21 12:33:41 2003 +0000 Not sure what we can do about this, really...
This is beyond me, perhaps upstream knows what would be a proper way to fix this.