Installation
Very easy, ours looks like:
[ebuild N ] mail-mta/ssmtp-2.64-r2 USE="gnutls ipv6 mta ssl"
Configuring ssmtp
Here is an annotated /etc/ssmtp/ssmtp.conf file, suggestions inside [square brackets].
# Get enhanced (*really* enhanced) debugging information in the logs # If you want to have debugging of the config file parsing, move this option # to the top of the config file and uncomment # Debug=YES # The person who gets all mail for userids < 1000 # Make this empty to disable rewriting. root=[enter a valid email address] # The place where the mail goes. The actual machine name is required # no MX records are consulted. Commonly mailhosts are named mail.domain.com mailhub=[your smtp server] # Example for SMTP port number 2525 # mailhub=mail.your.domain:2525 # Example for SMTP port number 25 (Standard/RFC) # mailhub=mail.your.domain # Example for SSL encrypted connection # mailhub=mail.your.domain:465 # Where will the mail seem to come from? # rewriteDomain=[a different domain here, if needed ] # The full hostname, should auto-detect # hostname=[ enter the hostname here, set rDNS ] # Set this to never rewrite the "From:" line (unless not given) and to # use that address in the "from line" of the envelope. # Enable if you trust your users (ha!) # FromLineOverride=YES # If you have to login set these: AuthUser=[ the username for the smtp server] AuthPass=[ the password for the smtp server] # Use SSL/TLS to send secure messages to server. #UseTLS=YES # Use SSL/TLS certificate to authenticate against smtp host. #UseTLSCert=YES # Use this RSA certificate. #TLSCert=/etc/ssl/certs/ssmtp.pem
SSMTP Sending via GoDaddy Hosted Exchange
If you are using GoDaddy Hosted Exchange then you can use this configuration.
# For Exchange 2007 mailhub=smtp.ex1.secureserver.net:465 # For Exchange 2010 (pick one) # mailhub=smtp.ex2.secureserver.net:587 # mailhub=smtp.ex3.secureserver.net:587 mailhub=smtp.ex4.secureserver.net:587 FromLineOverride=yes UseSTARTTLS=yes UseTLS=yes Authuser= AuthPass=
SSMTP on Amazon EC2/SES
When using Amazon SES collect the information from the SES SMTP settings page.
# debug=yes mailhub=email-smtp.us-east-1.amazonaws.com:465 Hostname=www.example.com AuthUser=AAAAAAAAAAAETRLB2UWQ AuthPass=[password from AWS] FromLineOverride=yes UseTLS=yes
Also, update the /etc/ssmtp/revaliases.
root:user@example.com:email-smtp.us-east-1.amazonaws.com:465
SSMTP via Gmail
This shows how to configure ssmtp to relay messages out via Google Mail accounts. Replace $mail with your full email address and $pass with your password.
root=$mail # The place where the mail goes. The actual machine name is required no # MX records are consulted. Commonly mailhosts are named mail.domain.com mailhub=smtp.gmail.com:587 # Debug=Yes FromLineOverride=YES AuthUser=$mail AuthPass=$pass UseSTARTTLS=YES UseTLS=YES