我无法调试muttrc文件这是我的调试文件，任何人都可以在这种情况下帮助我 我正在使用linux 16.04并设置我的imap ...
[[2017-05-28 14:08:08] Mutt/1.5.24 (2015-08-30) debugging at level 2
[2016-05-28 14:08:08] Reading configuration file '/etc/Muttrc'.
[2016-05-28 14:08:08] Reading configuration file '/usr/lib/mutt/source-muttrc.d|'.
[2016-05-28 14:08:08] Reading configuration file '/etc/Muttrc.d/charset.rc'.
[2016-05-28 14:08:08] Reading configuration file '/etc/Muttrc.d/colors.rc'.
[2016-05-28 14:08:08] Reading configuration file '/etc/Muttrc.d/compressed-folders.rc'.
[2016-05-28 14:08:08] Reading configuration file '/etc/Muttrc.d/gpg.rc'.
[2016-05-28 14:08:08] Reading configuration file '/etc/Muttrc.d/smime.rc'.
[2016-05-28 14:08:08] Reading configuration file '/home/sami/.muttrc'.
[2016-05-28 14:08:08] mx_get_magic(): unable to stat /var/mail/root: No such file or directory (errno 2).
[2016-05-28 14:08:08] /var/mail/root: No such file or directory (errno = 2)
[2016-05-28 14:08:08] /var/mail/root: No such file or directory (errno = 2)
[2016-05-28 14:08:08] parse_parameters: `charset=us-ascii'
[2016-05-28 14:08:08] parse_parameter: `charset' = `us-ascii'
[2016-05-28 14:08:57] Sending message...
[2016-05-28 14:08:59] Error sending message, child exited 70 (Internal error.).
[2016-05-28 14:09:35] Key is not bound. Press '?' for help.
[2016-05-28 14:09:37] Key is not bound. Press '?' for help.
[2016-05-28 14:09:40] q: unknown command
[2016-05-28 14:09:46] mutt_free_body: unlinking /tmp/mutt-sami-VirtualBox-0-3379-3806562271464209502.
[2016-05-28 14:09:46] Mail not sent.
如果有人能解决此问题，请告诉我