[Pkg-exim4-users] smtps support in Stretch

J G Miller miller at yoyo.ORG
Wed Apr 13 14:23:52 UTC 2016

At 09:43h, on Wednesday, April 13, 2016,
in message <570E4CE4.7010207 at torfree.net>,
on the subject of "Re: [Pkg-exim4-users] smtps support in Stretch",
Gary Dale reported:

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

Well that would appear to be your problem -- the remote mail service is
refusing to accept your mail because it looks like it is trying a
reverse name look up on and failing, even though

  host domain name pointer host-108-63-184-104.static.primus.ca.



Also for exim4 configuration for SSL connecton upstream you should have a look at


especially if your ISP provided e-mail server allows use of port 587 as well as 465.

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