[Pkg-exim4-users] smtps support in Stretch

[Marc Haber]

On Wed, Apr 13, 2016 at 09:43:00AM -0400, Gary Dale wrote:
> 2016-04-13 09:15:33 1aqKdj-0007Qm-Po == gary at dalefamily.org R=dnslookup
> T=remote_smtp defer (-44) H=mx2.r4l.com [192.99.3.191]: SMTP error from
> remote mail server after RCPT TO:<gary at dalefamily.org>: 450 4.7.1 Client
> host rejected: cannot find your hostname, [108.63.184.104]

Your system tries to deliver directly to the MX for dalefamily.org.
This is unlikely to work from a dial-up account. Use your ISP's
smarthost.

In this very case, dalefamily.org's MX complains that your Dial-UP IP
address 108.63.184.104 does not have a reverse DNS entry, which is not
the case:

104.184.63.108.in-addr.arpa domain name pointer host-108-63-184-104.static.primus.ca.

So you might additionally yell at whoever hosts dalefamily.org for
having a broken DNS setup.

Greetings
Marc

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