set folder = ~/.mail
set spoolfile = "+Gmail/INBOX"
source ~/.mutt/accounts/gmail
folder-hook Gmail/* source ~/.mutt/accounts/gmail
folder-hook Plup/* source ~/.mutt/accounts/plup
mailboxes +Gmail/INBOX +Plup/INBOX
[...]

set sendmail = "/usr/bin/msmtp -a gmail"
set from = "me@gmail.com"
set realname = Me
set mbox = "+Gmail/archive"
set postponed = "+Gmail/drafts"

[Account Gmail]
localrepository = Gmail-Local
remoterepository = Gmail-Remote
[Repository Gmail-Local]
type = Maildir
localfolders = ~/.mail/Gmail
[Repository Gmail-Remote]
type = Gmail
remoteuser = me@gmail.com
remotepass = secret
realdelete = yes
maxconnections = 3
sslcacertfile = /etc/ssl/certs/ca-certificates.crt

mark_old = no