Outlook internet security warning

However on my system there is no "AutoDiscover" key. How do I switch off the annoying error msg about a certificate? I tried to install one but the message keeps coming up Products 72 Special Topics 41 Video Hub Most Active Hubs Microsoft Teams. Security, Compliance and Identity. Microsoft Edge Insider. Azure Databases. Autonomous Systems. Education Sector. Microsoft Localization. Microsoft PnP. Healthcare and Life Sciences. Internet of Things IoT. Enabling Remote Work. Small and Medium Business.

The cheap server name is going to be in the header, you can't avoid it - at the very least it will show mail. If you can change it in outlook, that works, but if your host doesn't have a general smtp address you would need to use the hosts file. This certificate popup can also keep appearing when the mail server matches that on the certificate, but the port number is wrong.

I've encountered one provider publishing port , which when used caused this issue until it was changed to I don't get it. This doesn't solve anything, each time I reopen outlook, the alerts are back Thanks very much for this valuable information. The instructions are clear and easy to understand. I got an error after editing the hosts file and failed.

The reason was that both my incoming outgoing mail server were not properly modified by adding the word mail. Schedule Management. Calendar Printing Tools. Calendar Reminder Tools. Time and Billing Tools. Meeting Productivity Tools. Duplicate Remover Tools. Sending and Retrieval Tools. Mass Mail Tools. Compose Tools. Mail Tools for Outlook. Online Services. Productivity Tools.

Automatic Message Processing Tools. Special Function Automatic Processing Tools. Housekeeping and Message Management. Project and Business Management Tools. Run Rules on messages after reading. Outlook Suggestion Box UserVoice. All rights reserved. Slipstick Systems is not affiliated with Microsoft Corporation. If so What type of email account is configured in Outlook? Hope it helps. Try the suggestions and let us know the result at your earliest convenience. Thank you.

Was this reply helpful? Yes No. Sorry this didn't help. Thanks for your feedback. You may refer to the thread links mentioned below which discusses about the same issue and check if that helps:. I am having the same problem. When I follow the instruction an uncheck "This server requires an encrypted connect" the test email fails.

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