Quoting Liam Hoekenga <[EMAIL PROTECTED]>: >>> This is exactly what we did. Since you can change your "from" and >>> "reply-to" fields in your identities it became necessary to embed the >>> user's actual login ID in an X-header so that we can identify the >>> source of spam. We also took it one step further and added a bit of >>> code that keeps a running total of the number of recipients a user >>> has sent to in a given session (stored in the memcache session >>> variable itself). Then we've set limits so that if a message has >>> more than 50 recipients per message it will refuse to send it (we >>> display a message saying that it's much more appropriate to use a >>> mailman list for messages of that size). Plus if the cumulative >>> total recipients per session is over 200 it will no longer allow the >>> user to send mail (until they log in again with a clean session). >>> We've nailed a whole bunch of spammers with this functionality with >>> the added bonus of getting people who maintain large mailing lists to >>> use the list server rather than Imp, which is better for all concerned. >>> >> >> This is a builtin feature of IMP 4.2 by the way. With the difference >> that you limit across sessions for a definable time period. >> > So... where do you turn this on? I can't find it in the conf file.
Mail Logging -> Sentmail logging. Then define the limits for your users/groups in permissions. michael -- ___________________________________ Michael Slusarz [EMAIL PROTECTED] -- IMP mailing list - Join the hunt: http://horde.org/bounties/#imp Frequently Asked Questions: http://horde.org/faq/ To unsubscribe, mail: [EMAIL PROTECTED]
