Duelling standards and anti-spam measures / 2017-09-28

2017-09-28 Duelling standards and anti-spam measures
In today's mail problems:
   ----- Transcript of session follows -----
... while talking to ecp-nl.mail.protection.outlook.com.:
>>> DATA
<<< 450 4.7.26 Service does not accept messages sent over IPv6 [2001:980:14ca:61::13] unless they pass either SPF or DKIM validation (message not signed) [VE1EUR01FT036.eop-EUR01.prod.protection.outlook.com]
<info@ecp.nl>... Deferred: 450 4.7.26 Service does not accept messages sent over IPv6 [2001:980:14ca:61::13] unless they pass either SPF or DKIM validation (message not signed) [VE1EUR01FT036.eop-EUR01.prod.protection.outlook.com]
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 days old
Rerouting mail for ecp.nl via xs4all servers in the hopes of getting it delivered.

Some research shows me that the xs4all outgoing mailservers (smtp.xs4all.nl) do offer incoming connectivity via IPv6 but don't connect to the IPv6 addresses of mailservers they are trying to reach.

Tags: , ,

IPv6 check

Running test...
, reachable as koos+website@idefix.net. PGP encrypted e-mail preferred. PGP key 5BA9 368B E6F3 34E4 local copy PGP key 5BA9 368B E6F3 34E4 via keyservers

RSS
Meningen zijn die van mezelf, wat ik schrijf is beschermd door auteursrecht. Sommige publicaties bevatten een expliciete vermelding dat ze ongevraagd gedeeld mogen worden.
My opinions are my own, what I write is protected by copyrights. Some publications contain an explicit license statement which allows sharing without asking permission.
Other webprojects: Camp Wireless, wireless Internet access at campsites, The Virtual Bookcase, book reviews
This page generated by $Id: newsitem.cgi,v 1.55 2021/11/09 13:09:49 koos Exp $ in 0.006184 seconds.