Delay in sending mails to other domains

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kjpradeep
Posts: 1
Joined: Mon May 20, 2019 5:21 am

Delay in sending mails to other domains

Postby kjpradeep » Mon May 20, 2019 6:08 am

zmcontrol - v
Release 8.8.11.GA.3737.UBUNTU16.64 UBUNTU16_64 FOSS edition, Patch 8.8.11_P4.

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.6 LTS
Release: 16.04
Codename: xenial


Our domain : ovid.in

We have a small office with less than 10 users. The email volume is hardly 10 emails per day. The problem is that the outgoing email from our domain to external domains like yahoo or gmail is taking at least 45 minutes and sometimes 4 hours. We see that there are no exceptions in logs.

The only error that we suspect is is conversation with alt3.gmail-smtp-in.l.google.com[209.85.145.26] timed out while receiving the initial server greeting

Attaching the relevant screenshots from logs and gmail message header analyzer tool https://toolbox.googleapps.com/apps/messageheader/

We have fixed our domain w.r.t. SPF , DMARC , DKIM, reverse DNS
Attachments
fig3.PNG
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fig2.jpg
fig2.jpg (49.47 KiB) Viewed 318 times
fig1.jpg
fig1.jpg (59.59 KiB) Viewed 318 times


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gabrieles
Advanced member
Advanced member
Posts: 102
Joined: Tue Feb 14, 2017 9:40 am

Re: Delay in sending mails to other domains

Postby gabrieles » Tue May 21, 2019 7:53 am

Looks like this
viewtopic.php?t=25526

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