Herbie <[EMAIL PROTECTED]> wrote:
> Am I right in think qmail-smtpd will never give this error?
Yes. However, it should be noted that servers which do return this error
are revealing valuable information -- spammers can use this technique to
build a list of valid email addresses, simply by connecting to port 25
and throwing a dictionary at it.
Charles
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Charles Cazabon <[EMAIL PROTECTED]>
GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/
Any opinions expressed are just that -- my opinions.
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