found this code in Mail.pm:
what is it? why would code installed on my site contain reference to gossamer-threads.com ?
Code:
$self->{'X-Mailer'} = exists($opt->{'X-Mailer'}) ? delete ($opt->{'X-Mailer'}) : "GT::Mail $VERSION (Site: http://www.gossamer-threads.com; OS: $^O)";