On 9/4/07, John Kinsella <John.Kinsella at ul.ie> wrote:
> Sep 4 12:22:12 jkcray sm-mta[15812]: ruleset=check_relay,
> arg1=marshal4.ul.ie, arg2=193.1.100.137, relay=marshal4.ul.ie
> [193.1.100.137], reject=421 4.3.2 Connection rate limit exceeded.
Google suggest that it is someone trying to send big emails. It all
depends which settings you have and which max size you might want to
allow. This is just a shot in the dark since I am using postfix.
Steph
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