[MlMt] 143 or 993 . . . and security

[Benny Kjær Nielsen]

On 23 Jan 2020, at 15:18, Pete Resnick wrote:

> On 23 Jan 2020, at 5:18, Benny Kjær Nielsen wrote:
>
>> In a perfect world, only ports 25, 143 and 587 would exist.
>
> Actually, current guidance is to go for the implicit TLS ports (465 
> and 993). See https://www.rfc-editor.org/rfc/rfc8314.html#section-3.

I was unaware of this official reversal of recommendations. I should 
probably also have been less specific and just written:

In a perfect world, only 1 set of ports would exist ;-)

-- 
Benny