Use Email::Valid for this:

use warnings;
use strict;

use Email::Valid;

my $from_email = 'stevieb <steveb@cpan.org>';

if (! Email::Valid->address($from_email)){
    die "that ain't a valid email address!\n";
}

...;

[download]

In reply to Re: sendmail - worried illegal chars by stevieb
in thread sendmail - worried illegal chars by hankcoder

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