> On Apr 26, 2023, at 3:50 PM, Scott Kitterman <skl...@kitterman.com 
> <mailto:skl...@kitterman.com>> wrote:
> 
> I think it would be crazy in 2023 not to use STARTTLS is offered.  

+1

> Personally I interpreted it more as employ a secure transport and think 
> through if you really want to be sending the report if you can't.
> 
> I think there's some room for interpretation and I think that's fine.
> 

I believe connectivity is independent of the application.  

All connections SHOULD assume the highest possible security available today.

For unsolicited email, the presumption would be:

Port 25
STARTTLS

If I was start performing reports (and I think I will), that is how I would 
begin, naturally, with outbound SMTP clients with optional TLS if offered.

Sorry if I was not focused with the main question,

—
HLS
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