TLS Protocol in Office 365 Causing Mail Output Failure

Note

This article describes describes an issue that was fixed in a previous Lasernet release. This article will be retained for reference purposes but will no longer be updated. If you have any questions, contact us via the Create Ticket button in the support portal.

Microsoft has recently made a change to its TLS handling protocol. This has resulted in a connection failure with the Lasernet Mail Output port when using SMTP with Office365.

When TLS 1.2 or higher is selected, the connection fails:

Solution

To solve this connection failure, ensure that users change the TLS setting by selecting TLS 1.2 and then Commit/Deploy.