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receive DATA without RCPT TO [message #1135] Mon, 30 May 2005 07:28
testuser
Messages: 8
Registered: May 2005
Junior Member
Hello All,
I have notice some strange things: if I have at my server wrong or missing RCPT TO: command, server still accept DATA command, receive and treat a message by all the filters.
Certainly this message will not be delivered, but this spammers' messages greatly encrease incoming traffic. (or can encrease in future). Should NoSpamToday server accept such messages or not?
Thanks

log:
May 27, 2005, 16:09:53 Session 0: HELO qweqwe.ru
May 27, 2005, 16:09:53 Session 0: Host/helo reject: 220.229.149.42/qweqwe.ru
May 27, 2005, 16:09:53 Session 0: 250 **.**.**.** Hello [**.**.**.**]
May 27, 2005, 16:09:54 Session 0: MAIL FROM:
May 27, 2005, 16:09:54 Session 0: 250 : Sender Ok
May 27, 2005, 16:09:54 Session 0: RCPT TO:
May 27, 2005, 16:09:54 Session 0: Recipient address reject: martawalters_uk@test.ru
May 27, 2005, 16:09:54 Session 0: 550 Recipient address not accepted
May 27, 2005, 16:10:01 Session 0: DATA
May 27, 2005, 16:10:01 Session 0: 354 Start mail input; end with .
May 27, 2005, 16:10:05 Session 0: Received end of data, mail size 2kB
May 27, 2005, 16:10:06 Session 0: (SpamAssassin) Executing: sa\spamassassin.exe -x -c "sa\ruleset" -e 255
May 27, 2005, 16:10:10 Session 0: (SpamAssassin) Command line exit code is 0
May 27, 2005, 16:10:10 Session 0: (SpamAssassin) Filter result is accept/deliver
May 27, 2005, 16:10:10 Session 0: (SpamAssassin) Spam score: 4.4
May 27, 2005, 16:10:10 Session 0: Incoming mail action: accept/deliver
May 27, 2005, 16:10:10 Session 0: Deferred data failed: 503 **.**.**.**: Need RCPT recipient
May 27, 2005, 16:10:11 Session 0: 554 Transaction failed
May 27, 2005, 16:10:11 Session 0: QUIT

Re: receive DATA without RCPT TO [message #1136 is a reply to message #1135] Mon, 30 May 2005 16:42 Go to previous message
support
Messages: 919
Registered: April 2004
Senior Member
testuser wrote:

> Hello All,
> I have notice some strange things: if I have at my server
> wrong or missing RCPT TO: command, server still accept DATA
> command, receive and treat a message by all the filters.
> Certainly this message will not be delivered, but this
> spammers' messages greatly encrease incoming traffic. (or can
> encrease in future). Should NoSpamToday server accept such
> messages or not?

NoSpamToday! should not scan these messages. We will add a
sanity check for this situation in one of the next releases.



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