How to set up ssl authentication for outgoing mail

[Jerry Feldman-2]

Recently Comcast started to require that I use port 587 as the outgoing
port to access smtp.comcast.net, as well as ssl and authentication. I was
able to test this with claws mail sending using my comcast address, I'm
not exactly sure how to set up ssl and authentication.
Port 587 is easy:
relayhost = smtp.comcast.net:587

But, I was not sure where to set up the authentication in main.cf and
supporting files for postfix.


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Jerry Feldman <gaf@...>
Treasurer
Boston Linux and Unix
http://www.blu.org


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[Matthew Gillen]

Jerry Feldman wrote:
> Recently Comcast started to require that I use port 587 as the outgoing
> port to access smtp.comcast.net, as well as ssl and authentication. I
> was able to test this with claws mail sending using my comcast address,
> I'm not exactly sure how to set up ssl and authentication.
> Port 587 is easy: relayhost = smtp.comcast.net:587
>
> But, I was not sure where to set up the authentication in main.cf and
> supporting files for postfix.

Note that you'll no longer be able to receive port 25 traffic either, since
the block is both directions.  If you complain loudly enough, they'll take the
port 25 block off your account.  It might take multiple calls until you get
someone who doesn't have their head up their a$$ though...

Matt

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[Jerry Feldman-2]

On Wed, 07 May 2008 13:01:41 -0400
Matthew Gillen <me@...> wrote:

> Jerry Feldman wrote:
> > Recently Comcast started to require that I use port 587 as the outgoing
> > port to access smtp.comcast.net, as well as ssl and authentication. I
> > was able to test this with claws mail sending using my comcast address,
> > I'm not exactly sure how to set up ssl and authentication.
> > Port 587 is easy: relayhost = smtp.comcast.net:587
> >
> > But, I was not sure where to set up the authentication in main.cf and
> > supporting files for postfix.
>
> Note that you'll no longer be able to receive port 25 traffic either, since
> the block is both directions.  If you complain loudly enough, they'll take the
> port 25 block off your account.  It might take multiple calls until you get
> someone who doesn't have their head up their a$$ though...

I don't need incoming port 25 which has been blocked for a while. In a
way that might be a blessing.

--
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Jerry Feldman <gaf@...>
Boston Linux and Unix
PGP key id: 537C5846
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846

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