offlineimaprc

# OfflineIMAP config for GMail backup (only tested on OS X)
# Save it as ~/.offlineimaprc
# NB: this will sync *everything*, including All Mail, Spam, Bin, etc.

[general]
metadata = ~/.offlineimap 
accounts = GMail
maxsyncaccounts = 1
# You might want to change the below to ui = TTY.TTYUI the first time you run offlineimap
# It can choke on large attachments and GMail might reset the connection if you download too much
ui = Noninteractive.Quiet
ignore-readonly = no

[Account GMail]
localrepository = Local
remoterepository = Remote

[Repository Local]
type = Maildir
# Change this to the path to your backup folder
localfolders = ~/Backups/Gmail
subscribedonly = no
restoreatime = no

[Repository Remote]
type = Gmail
remotehost = imap.gmail.com
remoteuser = your.address@gmail.com
remotepass = y0urp455w0rd
ssl = yes
realdelete = no