So this can actually be a pain on CentOS if you don’t have a few packages installed first. A few things to note:
You must install mutt, as well as the sasl package.
1.) Install stuff, YUMmy!
sudo yum install mutt postfix cyrus-sasl-plain cyrus-sasl-md5 -y
2.)Configure Mutt
First, create a backup of the original config file
sudo cp /etc/Muttrc /etc/Muttrc.orig
Next, edit the file and add the following to the end:
NOTE: Everything in Green needs to be changed to match your info.
sudo nano /etc/Muttrc
set from = "Your Email ADDRESS"
set realname = "Your NAME"
set imap_user = "YOUR-GMAIL-USRNAME@gmail.com"
set imap_pass = "YourPW"
set smtp_url = "smtps://YOUR-GMAIL-USRNAME@smtp.gmail.com:465/"
set smtp_pass = "YourPW"
# Configuration Settings to send and receive via gmail
set folder = "imaps://imap.gmail.com:993"
set spoolfile = "+INBOX"
set imap_check_subscribed
set hostname = gmail.com
set mail_check = 120
set timeout = 300
set imap_keepalive = 300
set postponed = "+[GMail]/Drafts"
set record = "+[GMail]/Sent Mail"
set header_cache=~/.mutt/cache/headers
set message_cachedir=~/.mutt/cache/bodies
set certificate_file=~/.mutt/certificates
set move = no
set include
set sort = 'threads'
set sort_aux = 'reverse-last-date-received'
set auto_tag = yes
ignore "Authentication-Results:"
ignore "DomainKey-Signature:"
ignore "DKIM-Signature:"
hdr_order Date From To Cc
alternative_order text/plain text/html *
auto_view text/html
bind editor complete-query
bind editor ^T complete
bind editor noop
set smtp_authenticators = 'gssapi:login'
set editor = "nano"
3.) Create the certificate file
cd
mkdir .mutt
touch .mutt/certificates
4.) Test it!
mutt
press m to create an email
Anter a to address, a subject, and then in the nano editor, write the body of your email. When finished, press ctrl+x, y then press y to send the mail.
SUCCESS!