inbound mail from google requiring tls

From	Jeremy Kister <qmail-09@jeremykister.com>
Newsgroups	muc.lists.qmail
Subject	inbound mail from google requiring tls
Date	2022-06-28 16:27 -0400
Organization	Newsgate at muc.de e.V.
Message-ID	<e9954acc-e960-79b4-6d38-caad52c784e8@kister.net> (permalink)

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On 6/24/2022 3:27 PM, Brian Reichert wrote:
 > This spring, Google decided to be dicks, and started rejecting my
 > email, with very uninformative messages in the bounces.

Speaking of which, I have (and most might start seeing) a similar 
problem inbound.

Google is offering the ability to require outbound TLS.

see: https://support.google.com/a/answer/2520500

When those folks try to send me mail, Google bounces it back to them -- 
with the response "A policy required TLS transmission, but a TLS 
connection could not be established"

I suppose it's since I don't support opportunistic tls on port 25.

I do have tls hooked on 465, but I dont see any connection attempt there 
- at least from a regular gmail.com account.

Anyone have to deal with this?  does ucpsi-ssl/sslserver solve this 
problem as a [mostly] drop-in replacement for tcpserver ?

-- 

Jeremy Kister
https://jeremy.kister.net/

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Thread

inbound mail from google requiring tls Jeremy Kister <qmail-09@jeremykister.com> - 2022-06-28 16:27 -0400
  Re: inbound mail from google requiring tls "Amitai Schleier" <schmonz@schmonz.com> - 2022-06-28 17:44 -0400
  Re: inbound mail from google requiring tls "John Levine" <johnl@iecc.com> - 2022-06-28 21:43 -0400
  Re: inbound mail from google requiring tls Erwin Hoffmann <feh@fehcom.de> - 2022-06-29 21:08 +0200
    Re: inbound mail from google requiring tls Erwin Hoffmann <feh@fehcom.de> - 2022-06-29 22:51 +0200
  Re: inbound mail from google requiring tls Manvendra Bhangui <mbhangui@gmail.com> - 2022-06-30 02:06 +0530
    Re: inbound mail from google requiring tls Manvendra Bhangui <mbhangui@gmail.com> - 2022-06-30 22:08 +0530

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