If uninstalling and reinstalling your ESET product still does not resolve the issue, contact your internet service provider for assistance. This would normally allow Outlook to work fine, without moaning about the certificate.
If you are still unable to send email, uninstall and reinstall your ESET product. Usual message about certificate, so open IE with admin rights, go to mail server website, install cert into Trusted Root, then modify the host file to fake the name:- 10.0.0.1. Click OK to save your changes (even if integration is not enabled, email communication is still protected by the email client protection module ).Ĭlick the image to view larger in new window Click browse and navigate to 'Trusted Root Certification Authorities'. Press the F5 key to access Advanced Setup.Ĭlick Web and Email → Email client protection and click the slider bar next to Integrate into Microsoft Outlook to disable it. - Choose: Place all certificates into the following store.
Open the main program window of your ESET Windows home product.For example: put ping in the command prompt and note the Ping Statistics, showing the IP address. Follow the given steps: To know the IP address, open Command Prompt and ping the incoming mail server. If you are still unable to send email, continue to Solution II below. To justify the Outlook certificate error, you need to set the correct target principal name. Press the F5 key to access Advanced Setup.Ĭlick Web and Email → Email client protection. In the Email To Scan section, click the slider bar next to Sent email to disable it and click OK. Open the main program window of your ESET Windows home product.Outlook supports connecting directly to Smart Card Authentication by using a physical smart card or a TPM chip-embedded virtual smart card for each user.Ĭertificate-based authentication is supported for Outlook Web App (OWA) and Exchange ActiveSync clients, but not in Outlook that is running on Windows.Begin with Solution I and only continue to Solution II if the issue is not resolved. Configure on-premises Exchange to use Hybrid Modern Authentication.Meanwhile, to better know about this issue, may I confirm. Enable Modern Authentication in Office 365 Hi jackin, For your issue, please go to File->Options->Trust center->Trust Center Settings->Email Security, and ensure that the Encrypt contents and attachments for outgoing messages and Add digital signatures to outgoing messages is unchecked.The thing is that it has to be done to make the email scam and hacking preventive.
For more information about how to enable Modern Authentication, see the following articles: The outlook is doing every process to make it secure and the warning certificate is also an example of that. To configure certificate authentication in Outlook 2016 and later versions, we recommend that you use Modern Authentication. Outlook uses the Windows Credential Manager to provide credentials to servers. This issue occurs because Outlook doesn't support using the Windows certificate store as a credential. This problem occurs especially if the network device is configured to require the client to present a certificate during the SSL handshake in the network layer instead of passing the traffic directly to the server that is running Exchange Server. Do you want to continue using this server' If you select yes, the message and all other outgoing messages will send just fine. The network device can be a load balancer or another network device, as described in Certificate Selection and Validation. A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.