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Dual Server Initial Installation 45
(2) FromLineOverride
This specifies how sSMTP handles the From: line of outgoing mail. If
FromLineOverride=YES, sSMTP will leave the From: line alone if it already exists.
If FromLineOverride has any other value, or there is no From: line, sSMTP creates
the From: line using your username (or the -f command-line option), and the value of
the rewriteDomain option (step (4), below). If you use a mail user agent (MUA; e.g.
mutt, pine) I recommend using YES and having the MUA set the From: line.
(Exception: the 'reverse aliases' feature can be used to set up a particular From:
address for each user, in which case don't use FromLineOverride=YES. See the man
page.)
FromLineOverride? [YES]:
Specify how sSMTP handles the From: line of outgoing mail.
(3) hostname
sSMTP uses the hostname of your computer to identify itself to the mailhub, and in
the Received: headers of the outgoing mail. This has relatively little effect on how
the mail is handled. Use the fully-qualified domain name (FQDN) of your
computer(foo.bar.baz). If it doesn't have a FQDN, use some name for your box.
Hostname of your box [master.yourcompany.com]:
Enter the host name of your computer handling outgoing mail.
(4) rewriteDomain
Please enter the mail name of your system.
sSMTP uses this value to add a domain to unqualified e-mail addresses(addresses
without an @-sign).
You probably want to use the domain from your own e-mail address.You probably want
to set up your MUA to handle unqualified addresses itself, in which case sSMTP will
never have to use this.
Mail name [master.yourcompany.com]:yourcompany.com
Enter the mail name of your system.
(5) root
Last and least: if sSMTP finds an unqualified e-mail address among the recipients,
and it corresponds to a username on your local machine with a userid less than 1000,
then the e-mail is sent to this value instead. The idea is that mail sent to 'root'
should probably go to 'postmaster' instead.
If you set up your MUA to do its own handling of unqualified
addresses, this is irrelevant. Use the default value of 'postmaster' or your own
e-mail address if you're paranoid.
System users receive mail at [postmaster]:postmaster