摘要： #!/usr/local/bin/perl# vrfy.pl v.92b# copyright 2004 Jeremy Kister.http://jeremy.kister.net/# released under Perl's Artistic License 20040812## verify envelope sender can take mail# (similar to rather decommissioned VRFY SMTP verb)## I dont recommend using this; it's just concept code to show# what 阅读全文