Created
October 25, 2012 12:24
-
-
Save sshtmc/3952294 to your computer and use it in GitHub Desktop.
Ubuntu sendmail using smtp.gmail.com
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
HOST=$(hostname) | |
function install_postfix() { | |
echo | sudo debconf-set-selections <<__EOF | |
postfix postfix/root_address string | |
postfix postfix/rfc1035_violation boolean false | |
postfix postfix/mydomain_warning boolean | |
postfix postfix/mynetworks string 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 | |
postfix postfix/mailname string $HOST | |
postfix postfix/tlsmgr_upgrade_warning boolean | |
postfix postfix/recipient_delim string + | |
postfix postfix/main_mailer_type select Internet with smarthost | |
postfix postfix/destinations string $HOST, localhost.localdomain, localhost | |
postfix postfix/retry_upgrade_warning boolean | |
# Install postfix despite an unsupported kernel? | |
postfix postfix/kernel_version_warning boolean | |
postfix postfix/not_configured error | |
postfix postfix/sqlite_warning boolean | |
postfix postfix/mailbox_limit string 0 | |
postfix postfix/relayhost string [smtp.gmail.com]:587 | |
postfix postfix/procmail boolean false | |
postfix postfix/bad_recipient_delimiter error | |
postfix postfix/protocols select all | |
postfix postfix/chattr boolean false | |
__EOF | |
echo "Postfix should be configured as Internet site with smarthost" | |
sudo apt-get install -q -y postfix | |
} | |
if ! dpkg -s postfix >/dev/null; | |
then | |
install_postfix | |
else | |
echo "Postfix is already installed." | |
echo "You may consider removing it before running the script." | |
echo "You may do so with the following command:" | |
echo "sudo apt-get purge postfix" | |
echo | |
fi | |
if zenity --version >/dev/null; then | |
GMAIL_USER=$(zenity --entry --title="Gmail username" --text="Enter your gmail username:") | |
GMAIL_PASS=$(zenity --entry --title="Gmail password" --text="Enter your gmail password:" --hide-text) | |
else | |
read -p "Gmail username: " GMAIL_USER | |
read -sp "Gmail password: " GMAIL_PASS | |
fi | |
echo # an empty line | |
if [ -z "$GMAIL_USER" ]; then echo "No gmail username given. Exiting."; exit -1; fi | |
if [ -z "$GMAIL_PASS" ]; then echo "No gmail password given. Exiting."; exit -1; fi | |
if ! [ -f /etc/postfix/main.cf.original ]; then | |
sudo cp /etc/postfix/main.cf /etc/postfix/main.cf.original | |
fi | |
sudo tee /etc/postfix/main.cf >/dev/null <<__EOF | |
relayhost = [smtp.gmail.com]:587 | |
smtp_use_tls = yes | |
smtp_sasl_auth_enable = yes | |
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd | |
smtp_sasl_security_options = noanonymous | |
smtp_tls_loglevel = 1 | |
smtp_tls_per_site = hash:/etc/postfix/tls_per_site | |
smtp_tls_CAfile = /etc/ssl/certs/Equifax_Secure_CA.pem | |
smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache | |
__EOF | |
echo "[smtp.gmail.com]:587 $GMAIL_USER:$GMAIL_PASS" | sudo tee /etc/postfix/sasl_passwd >/dev/null | |
sudo chmod 400 /etc/postfix/sasl_passwd | |
sudo postmap /etc/postfix/sasl_passwd | |
echo "smtp.gmail.com MUST" | sudo tee /etc/postfix/tls_per_site >/dev/null | |
sudo chmod 400 /etc/postfix/tls_per_site | |
sudo postmap /etc/postfix/tls_per_site | |
sudo service postfix restart | |
echo "Configuration done" | |
mail -s "Email relaying configured at ${HOST}" $GMAIL_USER@gmail.com <<__EOF | |
The postfix service has been configured at host '${HOST}'. | |
Thank you for using this postfix configuration script. | |
__EOF | |
echo "I have sent you a mail to $GMAIL_USER@gmail.com" | |
echo "This will confirm that the configuration is good." | |
echo "Please check your inbox at gmail." | |
since end oct. 2017 the thing didn't work anymore. In the syslog complaints:
untrusted issuer /OU=GlobalSign Root CA - R2/O=GlobalSign/CN=GlobalSign
After editing the script: change Equifax_Secure_CA.pem into GlobalSign_Root_CA_-_R2.pem and
re-executing the script it is working again.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
I can't see where to add my Gmail username and password to /etc/postfix/main.cf
snip from the tail of the command above
Running newaliases
Processing triggers for libc-bin (2.23-0ubuntu9) ...
Processing triggers for systemd (229-4ubuntu19) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for ufw (0.35-0ubuntu2) ...
bash: line 44: zenity: command not found
No gmail username given. Exiting.