Re: limiting number of recipients in email

[xs]

may i even sugest that a good idea would be a log monitor (such as swatch)
that can watch for a message ID and see how many remote addresses it is
being sent to, and alert the admin if it is over $MAXwhatever rcpt's.
i know i have found MANY MANY spammers from just switching VC's to see
tons of remote email for one message, the cool part is finding their
modem, pulling it, and waiting for them to call too.


anyway, just a thought.

later



end 
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On Wed, 24 Feb 1999, Marlon Anthony Abao wrote:

 hello, 
   am sure that this has been discussed here a gadzillion times, an i hope
 one more time would not be so bad :)
 
   how does one go about limiting the number of recipients in the 'CC:" /
 "BCC:" fields?  i don't want any of my subscribers to spam to the outside
 world.
 at least this way, they would at least be discouraged to do so.
 
 -marlon
 

Re: limiting number of recipients in email

[Chris Johnson]

On Wed, Feb 24, 1999 at 12:25:24AM +0800, Marlon Anthony Abao wrote:
 hello, 
   am sure that this has been discussed here a gadzillion times, an i hope
 one more time would not be so bad :)
 
   how does one go about limiting the number of recipients in the 'CC:" /
 "BCC:" fields?  i don't want any of my subscribers to spam to the outside
 world.
 at least this way, they would at least be discouraged to do so.

You can try patching qmail-smtpd to support tarpitting. This lets you insert a
delay after each recipient that the sender supplies after some set number of
recipients. If you insert, say, a five-second delay for each recipient after
the fiftieth, one of your users would have a hard time sending a message to
10,000 recipients. (This assumes that these messages are being injected by
SMTP.)

See http://www.palomine.net/qmail/tarpit.html

Chris