ssmtp
SSMTP is used to send outgoing emails without a mail server. It hands off all mail delivery to a third party client.
Sample configuration using all options
# User to get all emails for userids less than 1000 Root=root # Third-party SMTP server, port Mailhub=smtp.server.com:25 # The source domain, what domain the email comes "from" RewriteDomain=clients-website.com # FQDN Hostname, if unset, checks the system Hostname=clients-website.com # Email address that it is from [email protected] # Use TLS to talk to the SMTP server. Default is no UseTLS=YES # Specifies whether ssmtp does a EHLO/STARTTLS before starting SSL negotiation. UseSTARTTLS=YES # The user name to use for SMTP AUTH. The default is blank, in which case SMTP AUTH is not used. [email protected] # The password to use for SMTP AUTH. AuthPass=password # The authorization method to use. If unset, plain text is used. May also be set to “cram-md5”. AuthMethod=