Unfortunately no one answered my initial question.
When trying to connect to the TLS required ports it simply times out. I
have the ports listening, the ports are not blocked by our firewall, and
yet nothing works. Any thoughts?
On Thu, Mar 7, 2019 at 1:31 AM Christian Balzer via Exim-users <
exim-users@???> wrote:
> On Tue, 05 Mar 2019 09:45:47 -0500 Bill Cole via Exim-users wrote:
>
> > On 5 Mar 2019, at 9:10, Ryan McClung via Exim-users wrote:
> >
> > > Why use only 465 and not 587? Just curious there.
> >
> > Or why not every port between 400 and 10000? :)
> >
> > The way daemons on ports 465 and 587 can be expected to behave are
> > defined in IETF RFCs 6409 and 8314. If you want your mail system to be
> > interoperable with the broadest possible range of legitimate mail
> > software, it is a good start to follow the RFCs.
> >
> > There's a very arcane and confusing history behind the use of port 465
> > which makes it wise, at least for a few more years, to continue to
> > support port 587 with STARTTLS.
> >
> Given that people have tried for decades to rid the world of port 465
> based on the RFCs and port assignments (and as RFC 8314 states, submission
> over 587 is no less insecure than outright TLS) and inertia in general,
> I'd make that a:
> "Continue to support 587 indefinitely".
>
> Regards,
>
> Christian
>
> > --
> > Bill Cole
> > bill@??? or billcole@???
> > (AKA @grumpybozo and many *@billmail.scconsult.com addresses)
> > Available For Hire: https://linkedin.com/in/billcole
> >
> > --
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> >
>
>
> --
> Christian Balzer Network/Systems Engineer
> chibi@??? Rakuten Communications
>
> --
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--
Ryan McClung
Systems Administrator @ Afilias Canada
A. 204-4141 Yonge Street, Toronto, ON, Canada, M2P 2A8
<
https://maps.google.com/?q=4141+Yonge+Street,+Toronto,+ON,+Canada,+M2P+2A8&entry=gmail&source=g>
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