Re: [mailop] outlook.com 421 try again later S77719

2023-10-11 Thread Cedric Knight via mailop
Date: Wed, 11 Oct 2023 16:27:13 +0200 From: Alessio Cecchi > I confirm that, emails in the queue are only to > "eur0x.prod.outlook.com" MX. Not for us in UK. Of MXs that give 451 4.7.500 Server busy. Please try again later from ... (S77719) about 50% self-identify as EU, but also many from eo

Re: [mailop] Delivery to btinternet.com / cpcloud.co.uk

2015-09-09 Thread Cedric Knight
Summary from 25 July: three causes of deferral sending to mx.bt.lon5.cpcloud.co.uk (btopenworld.com etc) 1) "421 Too many messages (1.5.6.1)" (after MAIL FROM) 2) server dropping connection (while sending RCPT TO) 3) "451 System policy engine error" (after end of DATA section) On Wed, 09 Sep 2015

[mailop] Delivery to btinternet.com / cpcloud.co.uk

2015-07-24 Thread Cedric Knight
time a message can spend in our queue, many waiting all day. Ours is mostly individual user email, with some non-marketing email lists. If anyone from BT or Critical Path/Openwave is able to contact me off-list, please do. -- All best wishes, Cedric Knight GreenNet GreenNet supports and promot