Re: Trouble delivering email.

On Oct 24, 2018, at 3:39 PM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:

Thanks for your reply, Pete. We have an SPF record that tends to appease
email providers. I've done quite a bit of research and testing with DKIM
and DMARC, but I deleted those configurations after a while because I
didn't feel like I had a proper handle on it. The information and
instructions on that are not very clear to me.


On Wed, Oct 24, 2018 at 1:22 PM Pete Helgren <pete@xxxxxxxxxx> wrote:

I've got nothing specific for IBM i but I have fought the email delivery
battle many, many times. Biggest issue is a change of IP address either
to one that had a bad reputation, or new enough address that it had no
reputation at all.

I assume you have the basic's covered: SPF configured, DKIM in use and
a DMARC record...I JUST got bit by a reverse DNS issue. I use JavaMail
and it is pretty verbose about what the cause of the delay or bounce
is. Don't know about how much info you get from the IBM i SMTP
server....sounds like "not much".

Pete Helgren
www.petesworkshop.com
GIAC Secure Software Programmer-Java
Twitter - Sys_i_Geek IBM_i_Geek

On 10/24/2018 1:24 PM, Nathan Andelin wrote:

We have hundreds of entries in the WRKSMTPEMM screen, showing email of

type

*RLY in queue *RTY. which date back to 10/08/2018.

I've been using option 8 to display log entries pertaining to email
entries, but I don't understand many of the log entries. Connections to
email domains appear to be retried over and over, without success. As far
as I can tell, the log doesn't indicate whether a recipient domain is
rejecting the messages, or not.

Sometimes mail is delivered as expected, other times, not! Delivering to
Yahoo appears to be particularly problematic.

Are we missing something fundamental?

--
This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
To post a message email: MIDRANGE-L@xxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
visit: https://lists.midrange.com/mailman/listinfo/midrange-l
or email: MIDRANGE-L-request@xxxxxxxxxxxx
Before posting, please take a moment to review the archives
at https://archive.midrange.com/midrange-l.

Please contact support@xxxxxxxxxxxx for any subscription related
questions.

Help support midrange.com by shopping at amazon.com with our affiliate
link: http://amzn.to/2dEadiD

--
This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
To post a message email: MIDRANGE-L@xxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
visit: https://lists.midrange.com/mailman/listinfo/midrange-l
or email: MIDRANGE-L-request@xxxxxxxxxxxx
Before posting, please take a moment to review the archives
at https://archive.midrange.com/midrange-l.

Please contact support@xxxxxxxxxxxx for any subscription related questions.

Help support midrange.com by shopping at amazon.com with our affiliate link: http://amzn.to/2dEadiD