I don't know about problems in the code as you presented it. But if it were me, I'd be using Mime::Lite for that job. The code would look something like (untested):

use MIME::Lite;

my $msg = MIME::Lite->new(
             From     =>'senders@email.address',
             To       =>'my@email.address',
             Subject  =>'this is the subject line',
             );

$msg->send ();

[download]

Update: remove bogus quoting pointed out by ikegami

DWIM is Perl's answer to Gödel

In reply to Re: sendmail script by GrandFather
in thread sendmail script by keiusui

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