On Thursday, October 30, 2014, 11:33:43 PM, Biju wrote: > Hi All, > > I am trying to ratelimit outgoing messages in my exim4 daemon. Many a times, > our mail server has been hacked, multiple identity has been added and using > those ids, hackers send out bulk spam mails. Once the limit is overcome, > many domains are blacklisting us. As I understand from the manuals and > searching the mailing lists, outgoing mails can not be ratelimited. Please > correct me if I am wrong. > > What I am thinking is to rate limit using IP tables number of messages going > out domain wise to some limit. I can only reject connections using IP > tables. What I need is to defer the rejected connections. Where in the exim4 > do I do this? Is it in routers? > > I am sure many of you may have faced such issues. Please help with > appropriate pointers.
Doing a quick Google search (search terms: 'exim rate limit') turns up a post to github from Lena on 'Blocking compromised accounts (outgoing spam) and auth cracking'. https://github.com/Exim/exim/wiki/BlockCracking Perhaps you can use this or tailor it to your needs in accomplishing your task. -- Duane Hill [email protected] "If at first you don't succeed, so much for sky diving." -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
