![Testing Connection to TLS enabled mail server from Cognos Configuration fails with error “Mail server cannot be reached”. Testing Connection to TLS enabled mail server from Cognos Configuration fails with error “Mail server cannot be reached”.](https://www.ibm.com/support/pages/system/files/inline-images/image-20180725153946-1.png)
Testing Connection to TLS enabled mail server from Cognos Configuration fails with error “Mail server cannot be reached”.
![Connection to the mail system - ixi-UMS Mail Server Connector Installation and Configuration - ixi-UMS Enterprise Connection to the mail system - ixi-UMS Mail Server Connector Installation and Configuration - ixi-UMS Enterprise](https://help.estos.com/help/en-US/ixiumsenterprise/6.70.1/ixiumsMailServerConn/dokumentation/mailserver_en_zoom90.jpg)
Connection to the mail system - ixi-UMS Mail Server Connector Installation and Configuration - ixi-UMS Enterprise
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Free download of Computer Server Mail Icon Cloud Sun Electronics Web Mac Rack PC X86 Mainframe Virtual Sparc Ibm Webserver Smtp Shared Vector Graphic
![Testing Connection to TLS enabled mail server from Cognos Configuration fails with error “Mail server cannot be reached”. Testing Connection to TLS enabled mail server from Cognos Configuration fails with error “Mail server cannot be reached”.](https://www.ibm.com/support/pages/system/files/inline-images/image-20180725154043-2.png)