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Article #61Re: fingering e-mail addresses
From: mixeman
Date: Sun, 05 Sep 1999 00:00
Date: Sun, 05 Sep 1999 00:00
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1766 bytes
Jacques Distler wrote: > > As to the poster's original question, if the ISP has disabled fingerd, the > only thing you can do to verify an email address is to telnet to port 25 > on his machine and use > VRFY joe@yourhost.net > or > EXPN joe@yourhost.net > or go through the motions of sending a test message > HELO myhost.net > MAIL FROM: me@myhost.net > RCPT TO: joe@yourhost.net > QUIT > > I am sure the ISP did not *intend* for you to have to diddle with his SMTP > daemon in order to verify an email address, but that is *exactly* what he > achieved by disabling fingerd. > > Pity. > I found another program that does SMTP verify. However, almost every ISP that doesn't support finger has also disabled the EXPN command in their mail server. I rather agree with another poster's comments about fingerd giving out too much information at some institutions. Just a simple yes or no to say if the user exists would be nice.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10952f,23199f1e3f0d22e7 X-Google-Attributes: gid10952f,public X-Google-Thread: 108c83,23199f1e3f0d22e7 X-Google-Attributes: gid108c83,public X-Google-Thread: 1090e7,37552a33cbddf452 X-Google-Attributes: gid1090e7,public From: mixeman <lavida@cygnus.uwa.edu> Subject: Re: fingering e-mail addresses Date: 1999/09/05 Message-ID: <37D21508.6828@cygnus.uwa.edu> X-Deja-AN: 521238086 Content-Transfer-Encoding: 7bit References: <37CB6A34.7178@cygnus.uwa.edu> <7qqnji$q2l$1@lios.apana.org.au> <37d985c4.7783654@news.earthlink.net> <distler-0409992051420001@192.168.0.1> Organization: add .au to reply Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 Newsgroups: aus.net.mail,aus.computers,comp.security.unix