On Thu, 2012-09-13 at 16:37 +0200, Dave Warren wrote: > > > > Niamh summed it up nicely, sent by their clients, using their > > servers, therefore, Messagelabs servers are emitting spam and IMHO > > should never ever be whitelisted, ever. > > > While that may well be the case, they're still a candidate for > trusted_networks, especially since this might actually give you > increased filtering of them at the client-by-client level. >
Not likely, they are at level 4 now, once they hit 5, they will be outright rejected at MTA level
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