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Hi Ahmad,<br />
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Yes it could be. If the deleted certificate was assigned to SMTP service, you will have mail flow problems.<br />
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Which certificate did you delete?<br />
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Cheers
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thanks a lot for your support but the SSL Certificate was not valid yet, it was pending to be completed.
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No comment has been added to this question in more than 21 days, so it is now classified as abandoned.<br />
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I have recommended this question be closed as follows:<br />
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Accept: Tom Cieslik (<a href="https:#a42387475" rel="ugc">https:#a42387475</a>)<br />
<br />
If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.<br />
<br />
seth2740<br />
Experts-Exchange Cleanup Volunteer
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Can SSL Certificate be the problem in exchange 2016 for sending email out when it's deleted.
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Can SSL Certificate be the problem in exchange 2016 for sending email out when it's deleted.

Exchange Server 2016

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.