Thanks Richelo.
I did examine some emails that were being blocked and yep two staff were
using Hubspot's email tracking.
So that very much is a possibility as being the culprit or a
contributing factor.
A few weeks ago I told them to disable that tracking however with no
improvement.
The odd thing is other affected staff haven't used link tracking at all,
and there are a lot of staff not affected all on the same domain.
On 11/3/19 3:21 pm, Richelo Killian wrote:
I have seen something similar for some of our clients, and it turned
out to be a Gmail Chrome plugin they used for tracking.
I can’t remember the exact plugin, but, it was changing all links in
the email to the plugin tracking domain, and that domain was
blacklisted at Microsoft.
So, first thing is to check if those users have any kind of Chrome
plugin for Gmail active and disable them and test again.
Not saying this IS the problem, but, it’s a place to start looking ;-)
Kind Regards,
Richelo Killian
From: Nick Stallman <n...@agentpoint.com> <mailto:n...@agentpoint.com>
Reply: Nick Stallman <n...@agentpoint.com> <mailto:n...@agentpoint.com>
Date: March 11, 2019 at 01:16:19
To: mailop@mailop.org <mailto:mailop@mailop.org> <mailop@mailop.org>
<mailto:mailop@mailop.org>
Subject: [mailop] Certain addresses from G Suite going straight to
O365 spam
Has anyone come across a strange issue with O365's spam filter, where
some addresses on a domain go straight to spam but other addresses
don't, when they are all G Suite addresses?
We've noticed 3 of our staff have their emails reliably going
straight to spam for O365 destinations, but everyone else can send
emails just fine.
The affected users are all using Gmail directly (no email clients),
nothing fancy at all and I can't see any reason why they would have
been affected.
I'm at a bit of a loss as to where to go from here:
- DKIM, DMARC and SPF are all set up correctly
- G Suite support wasn't much help as the emails are being delivered
correctly, and they verified DKIM, DMARC and SPF.
- We've got SNDS for our mail server (for our servers) of course, but
these emails are being delivered directly through GMail not our own
servers.
- I can't use the form to open a ticket for Outlook.com delivery
issues as our servers aren't doing the sending, and there aren't any
logged errors (the emails aren't being rejected).
- No bulk marketing or anything has been sent from the affected
users, so I can't imagine anyone would have manually marked emails as
spam.
- This issue occurs to all client O365 domains, I've looked at about
a dozen different destination O365 domains.
It's all a very weird scenario. Any suggestions would be appreciated.
--
Nick Stallman
Technical Director
Email n...@agentpoint.com <mailto:n...@agentpoint.com>
Phone 02 8039 6820 <tel:0280396820>
Website www.agentpoint.com.au <https://www.agentpoint.com.au/>
Agentpoint <https://www.agentpoint.com.au/>
Netpoint <https://netpoint.group/>
Level 3, 100 Harris Street, Pyrmont NSW 2009 Facebook
<https://www.facebook.com/agentpoint/> Twitter
<https://twitter.com/agentpoint> Instagram
<https://www.instagram.com/Agentpoint/> Linkedin
<https://www.linkedin.com/company/agentpoint-pty-ltd>
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--
Nick Stallman
Technical Director
Email n...@agentpoint.com <mailto:n...@agentpoint.com>
Phone 02 8039 6820 <tel:0280396820>
Website www.agentpoint.com.au <https://www.agentpoint.com.au/>
Agentpoint <https://www.agentpoint.com.au/>
Netpoint <https://netpoint.group/>
Level 3, 100 Harris Street, Pyrmont NSW 2009 Facebook
<https://www.facebook.com/agentpoint/> Twitter
<https://twitter.com/agentpoint> Instagram
<https://www.instagram.com/Agentpoint/> Linkedin
<https://www.linkedin.com/company/agentpoint-pty-ltd>
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