Zitat von Listaccount <[EMAIL PROTECTED]>: > Zitat von Liam Hoekenga <[EMAIL PROTECTED]>: > >> Jan Schneider wrote: >>> Zitat von Kevin Konowalec <[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. >>>> > > > It would be *really* nice if one can limit the mail addresses a user > can set to the ones the administrator has tied to the account. Instead > of entering free text it should be a list-box with addresses from the > database.
This is already possible and has always been, at least since IMP 3, probably earlier. Jan. -- Do you need professional PHP or Horde consulting? http://horde.org/consulting/ -- IMP mailing list - Join the hunt: http://horde.org/bounties/#imp Frequently Asked Questions: http://horde.org/faq/ To unsubscribe, mail: [EMAIL PROTECTED]
