this might be of interest to other people, so i'm posting the answer:
sure. check out this example:
% telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 asmodeus.diablo.localnet ESMTP Exim 3.20 #1 Tue, 27 Feb 2001 12:08:44 -0800
vrfy nouserherebythatname
550 <nouserherebythatname> is not deliverable
vrfy p
250 <p> is deliverable
telnet to port 25 of the host in question, and use the vrfy command.
there's also expn, but it's usually turned off. type help for help. :)
hth!
p
On Tue 27 Feb 01, 11:51 AM, Alfredo Lopez De Leon Ph.D. said:
[ paraphrase ]
is it possible to make sure that an email address exists and is deliverable
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