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Posted (edited)

Most staff here use Outlook but a few die hard staff still want to use the webapp version. Now, we are having problems with 365 webapp in that it's not showing new emails until the user presses F5 to refresh the page. I expect Sophos XG is blocking it somewhere. Any idea what needs unblocking? Other that that it appears to be working as normal.

 

Edit: I've sorted it by adding a number of exceptions to Sophos.

 

^([A-Za-z0-9.-]*\.)?live\.com/

^([A-Za-z0-9.-]*\.)?microsoft\.com/

^([A-Za-z0-9.-]*\.)?microsoftonline\.com/

^([A-Za-z0-9.-]*\.)?office365\.com/

^([A-Za-z0-9.-]*\.)?office\.com/

^([A-Za-z0-9.-]*\.)?outlook\.com/

Edited by Jobos
Posted (edited)

I'm glad you've posted this because we're experiencing the exact same issue.

 

TL;DR: Emails not auto-appearing when received and users have to refresh the page to see new emails. Couldn't easily determine where the issue was coming due to increased workload during first week back. After testing, it has been determined that it's a filtering issue that is causing this. Machines being filtered don't get emails automatically and emails in the proxy bypass group do get emails automatically. This has been raised with Smoothwall.

 

Updates done over summer:

Upgraded machines to Windows 10 1903 x64 (from 1709)

Deployed Chrome Enterprise 76.0.3809.132 x64

Forced UI updated to Office 365/Outlook by Microsoft

 

I'm not currently sure which (if any) of the updates have contributed to the issue as I've had more pressing issues to deal with at the start of term. Staff have been told for the time being to manually refresh the page until it is resolved.

 

We have raised it as an issue with Microsoft's Office 365 support and had a response this morning - asking if it's happening in any other browsers, which is what we'll check today if we can.

 

Note; We're not using Sophos - we use Smoothwall for filtering.

 

Update 1: This issue is also occuring in Internet Explorer and Edge.

 

Update 2: On my office workstation I still get emails appearing automatically via Chrome. If I log on as a staff account on a Library PC and then log onto my Office 365 account using Chrome - it does not get email automatically and needs to be manually refreshed. Both are using Chrome 76.0.3809.132.

 

Update 3: We appear to have confirmed that our issue lies with Smoothwall. I put a known problem machine into the proxy bypass of our Smoothwall and the emails started automatically came through. Which explains why they were coming through for me on my machine, because I'm also on the proxy bypass. We've raised this as an issue with Smoothwall. I've created a thread in the Smoothwall Direct forum: http://www.edugeek.net/forums/smoothwall-direct-support/209387-office-365-emails-not-coming-through-automatically-affecting-all-users.html#post1789858

Edited by CHiLL
Posted

I don’t know which exception did the trick but it worked and tested with IE and Chrome.

 

Microsoft had long list of URLs that needed allowing for 365 but as I was running out if time and I’m not back until Monday I allowed the TLD as listed.

 

We had a new Sophos XG firewall fitted over the summer and also upgraded Windows from 1803 to 1903 but I expect it was the firewall as not all the exceptions got copied over to the new firewall.

  • 1 year later...

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