Flood protection patch

[fanf]

I've posted my rate limiting patch to the exim-users mailing list. You can see it at:

http://www.cus.cam.ac.uk/~fanf2/hermes/doc/antiforgery/exim-ratelimit.patch

Comments

[fanf]

The relevant code is:

if (rc == FAIL || !leaky)
dbfn_write(dbm, key, dbd, sizeof(dbdata_ratelimit));

i.e. if the rate is low, or if we are strict, update the persistent state.