# Install mutt using brew
$ brew install mutt

# Configure mutt
$ vim ~/.muttrc

# Put the following on the mutt config file (.muttrc)
set imap_user = “YOUR_USERNAME@GMAIL_OR_YOUR_DOMAIN.com”
set imap_pass = “YOUR_PASSWORD”
set smtp_url = “smtp://YOUR_USERNAME@GMAIL_OR_YOUR_DOMAIN@smtp.gmail.com:587/”
set smtp_pass = “YOUR_PASSWORD”
set from = “YOUR_USERNAME@GMAIL_OR_YOUR_DOMAIN.com”
set realname = “YOUR_NAME”
set folder = “imaps://imap.gmail.com:993"
set spoolfile = “+INBOX”
set postponed = “+[Gmail]/Drafts”
set header_cache = ~/.mutt/cache/headers
set message_cachedir = ~/.mutt/cache/bodies
set certificate_file = ~/.mutt/certificates
set move = no
set smtp_authenticators = ‘gssapi:login’