klenwell information services : UbuntuCommandLineGmail

Command Line Gmail Using msmtp/mailx

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For the nail version of this script (which I prefer!), see UbuntuCommandLineGmailNail

Now Available: Install Script

Gist: https://gist.github.com/tatwell/968a762038eaf6504807749c70bfad64


1. Download the script from http://code.google.com/p/klenwell/downloads/list. (Next steps assume you download it to dir /tmp.

2. To completely automate installation, update your gmail settings at top of script:
$ gedit /tmp/ubuntu_gmail_mailx-v11.10.sh

3. Make script executable and run with install command:
$ chmod 755 /tmp/ubuntu_gmail_mailx-v11.10.sh
$ /tmp/ubuntu_gmail_mailx-v11.10.sh install


Send a file with an attachment
$ sudo apt-get install sharutils
$ echo "email test" > /tmp/emailbody
$ TMP_ARCHIVE=/tmp/some_archive
$ FNAME=$(basename $TMP_ARCHIVE)
$ ( cat /tmp/emailbody ; uuencode $TMP_ARCHIVE $FNAME ) | mailx -s "email test" $EMAIL_TO

Manual Guide

Instructions on how to configure Ubuntu to enable email to be sent from the command line using your Gmail account. This is especially useful for automating local backups and other scripts.


1. Install Necessary Packages
Install Thawte Certificate for Gmail
2. Configure msmtp
3. Configure mailx
4. Test


1. Install Necessary Packages

$ sudo apt-get install msmtp heirloom-mailx

Install Certificate

According to archlinux.org, Google is in the process of becoming it's own certificate authority and has switched to a "Google Certificate Authority" certificate rooted in Equifax.

This means you can user the existing certificate at /usr/share/ca-certificates/mozilla/Equifax_Secure_CA.crt. Verify that that certificate exists and nothing else needs to be done at this step.

If you don't have the certificate for some reason, you can download it in this package here: http://packages.ubuntu.com/en/source/lucid/ca-certificates

2. Configure msmtp

Create a new msmtp config file:
$ gedit ~/.msmtprc

Copy the following lines. Replace UPPERCASE text with your personal settings:
# config options: http://msmtp.sourceforge.net/doc/msmtp.html#A-user-configuration-file
logfile /tmp/msmtp.log

# gmail account
account gmail
auth on
host smtp.gmail.com
port 587
user YOURNAME@gmail.com
from YOURNAME@gmail.com
tls on
tls_trust_file /usr/share/ca-certificates/mozilla/Equifax_Secure_CA.crt

# set default account to use (not necessary with single account)
account default : gmail

Change permission on this file or msmtp will complain:
$ chmod 600 ~/.msmtprc

3. Configure mailx

Open mailx config file:
$ gedit ~/.mailrc

Copy the following lines and replace UPPERCASE text with your personal settings:
# set smtp for mailx

# gmail account (default)
# $ mailx -s "subject line" -a /path/attachment recipient@email.com < /path/body.txt
set from="YOURNAME@gmail.com (YOURNAME)"
set sendmail="/usr/bin/msmtp"
set message-sendmail-extra-arguments="-a gmail"

4. Test

Send a test message to your gmail account:
$ echo -e "testing email from the command line" > /tmp/test_email
$ mailx -s "mailx gmail test" YOURNAME@gmail.com < /tmp/test_email

Check your gmail account and you should have a message from yourself. You can also check your log:
$ tail /tmp/msmtp.log



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