Finally our main email server seems to be able to contact relay.verizon.net - so only a month of email gone. No idea if this is Verizon smelling coffee, or just them whitelisting us. Similarly it seems this weekend Hotmail are also happy to get email from us again. Seems hotmail.com problem was probably because one of the domains, that we forward email onto a hotmail account for, got joe jobbed. Resulting in a LOT of spam bounces being forwarded to one hotmail account over a weekend. Ironically our email server coped fine with the backscatter from the Joe Jobbing, but when hotmail servers all refused email (by failing to allow us to complete the TCP connection), the resulting increase in email processes increased the queue length to the point the email program refused incoming connections. Sometimes a polite "no thanks" is the best approach :(
Simon Waters <simonw@zynet.net> wrote:
Finally our main email server seems to be able to contact relay.verizon.net - so only a month of email gone. No idea if this is Verizon smelling coffee, or just them whitelisting us.
Port 25 of relay.verizon.net is still a blackhole as far as *.mail.uksolutions.net is concerned, although I can ping and traceroute the host just fine. All of the incidental little shell accounts I have scattered around the UK can see it either. I've tried from virgin IP addresses and even well-known boxes it'd not be a bad idea to blackhole just in case they'd somehow inverted the logic on the firewall... So I'd say that it was you being whitelisted and they haven't ceased to be a bunch of clueless fsckwits. Alternatively, you've just been blacklisted and the inverted logic now lets you through :) -- PGP key ID E85DC776 - finger abuse@mooli.org.uk for full key
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Simon Waters