I recently found this in my logs:
...
22:24:13 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:13 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:13 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:14 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:14 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:14 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:14 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:15 1 SMTP-660(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:20 1 SMTP-661(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
22:24:20 1 SMTP-661(ett00.tass.or.jp) Recipient
'<[EMAIL PROTECTED]>' rejected: user unknown
...
and a whole bunch more of the same. Obviously, this person is mining
for valid addresses. What should I do about this? I don't want to
allow this person to ever connect to my mail server again, so how do
I block them?
Also, people here have mentioned blocking dial-up IP addresses. Where
does the dial-up list exist, and what are the pros and cons of using
it?
Thanks,
Darrin
--
Darrin Cardani - [EMAIL PROTECTED]
President, Buena Software, Inc.
<http://www.buena.com/>
Video, Image and Audio Processing Development
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