ESET Nod32 AV - blocking email.

[Rachel]

This last week my ESET NOD32 AV updated itself on my main computer.
Windows 10. I use IE. My email is Outlook 365 personal version.
Now, my email will not send or receive. I get a popup from ESET with a Security Certificate warning that the certificate used by my server has been marked as untrustworthy and the connection is not safe.

My email is through my internet provider and safe.

I uninstalled ESET, restarted. My Outlook mail was once again working fine.
I installed ESET, restarted. Same thing as before - blocked and popup warning. When my email program loads it now shows ESET in the header of my email (where it did not before) along with File, Home, Send/Receive, etc.

I see on ESET forums that there is a problem Security Certificate warnings with the latest version of ESET (shows as version 9 on my computer). I sent an email off to them. I will need to look for a different antivirus if I can't get this fixed. I am not a techy person! Just wondering if anyone here has any suggestions. Thanks

 

[starbuck]

Hi Rachel,

Have just tried this on my laptop.
Win10, Eset Nod32 v9 and Outlook installed.

No problems with my emails at all.

When my email program loads it now shows ESET in the header of my email (where it did not before) along with File, Home, Send/Receive, etc.

You mean like this:

Obviously a new feature of the update.
Nothing wrong with that.... it gives you access to a number of features/settings

My email is through my internet provider and safe.

Possibly.
I'm sure a lot of people said that about Yahoo.
or they may be using out of date certificates.
You don't say who your internet provider is.

 

[Rachel]

Then that is strange that it won't work for me. Must be something else then......My internet provider is telus in British Columbia. http://www.telus.com/en/bc/index.jsp I will check with them and see what they have to say about this.

Thanks for checking.

 

[Rachel]

Ok, this is super weird. I just opened Outlook again this morning (first time today) and it is fine....no blocking by ESET. I didn't change anything. Gremlins!!!

 

[starbuck]

Have found this.... it relates to Outlook....

If you receive a message in Mail or Calendar for Windows 10 saying you have a certificate error, you'll see a message that says, "There is a problem with the server's security certificate.
The security certificate is not from a trusted certifying authority."

This error often happens when you don't use SSL to secure your email account.
To fix this error, use the following steps.
From Outlook:

• Choose Settings >> Manage Accounts.
• Choose the account that's out-of-date to display the account settings dialog.
• Choose Change mailbox sync settings >> Advanced mailbox settings.
  You may have to scroll down in the dialog to see Advanced mailbox settings.
• Check the boxes for Require SSL for incoming email and Require SSL for outgoing email and then choose Done >> Save.

 

[Rachel]

An update: I received a message back from ESET support saying that:

The following notification appears on your desktop: "Website certificate revoked"

• You are experiencing issues accessing sites online that you can usually access

This warning is displayed as the result of signed certificates that have been revoked from many common websites. As a result, browsers no longer trust websites and refuse them. See the press release from Globalsign for more information.

(Then it shows a picture of the Website certificate revoked popup)

Then it adds:

Disabling SSL or TLS filtering will reduce your level of protection!

We do not recommend that you disable SSL/TLS filtering (or exclude your default browser from SSL scanning) unless you are an experienced user. Doing so will significantly reduce the ability of your ESET product to detect threats hidden using HTTPS.

We expect to see this issue resolved the week of October 17th. If you continue to experience issues accessing sites, clear your CRL and OCSP cache.

 

[Rachel]

So I take that last sentence to mean that they have resolved this issue, today being October 17.