Several suggested GPG and S/MIME configuration options have changed
over the 1.5.x
Most recently, $pgp_decryption_okay was added, and the $smime_sign_command was modified to include
a message digest argument. If you use these, please take a look at the gpg.rc and smime.rc
files in the contrib subdirectory.
$mail_check_recent controls whether all unread mail or only new
since the last mailbox visit will be reported as new. If buffy isn't reporting what you
expect, try changing the value of this option.
If you are using GnuPG 2.1, be sure to 'set pgp_use_gpg_agent'.
Version 2.1 includes an
that is run automatically as needed. Also, be aware that mutt is curses program: it supports
the curses-pinentry program, but not the tty-pinentry program.