cvs commit: ports/mail/qmail Makefile distinfo
Renato Botelho
garga at FreeBSD.org
Thu Feb 9 01:58:29 PST 2006
garga 2006-02-09 09:58:27 UTC
FreeBSD ports repository
Modified files:
mail/qmail Makefile distinfo
Log:
Add TARPIT patch by Chris Johnson <dcj-qmaildoc at palomine.net>
What's tarpitting? It's the practice of inserting a small sleep in an SMTP
session for each RCPT TO after some set number of RCPT TOs. The idea is to
thwart spammers who would hand your SMTP server a single message with a long
list of RCPT TOs. If a spammer were to attempt to use your server to relay a
message with, say, 10,000 recipients, and you inserted a five-second delay for
each recipient after the fiftieth, the spammer would be "tarpitted" and would
likely assume that his connection had stalled and give up.
Asked by: Joao Ricardo Mendes Pecanha <joao at redepegasus.com.br>
Revision Changes Path
1.92 +9 -0 ports/mail/qmail/Makefile
1.45 +3 -0 ports/mail/qmail/distinfo
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