You need a valid certificate in order to use SSL in Xeams. An invalid certificate will cause the HTTPS port to not work in Xeams. Additionally, you will also not be able to use SSL when receiving inbound emails. In such cases, you may want to remove the invalid certificate and replace it with a self-signed.
SSL provides two benefits:
A self-signed certificate will only provide the first benefit. The server's identity cannot be verified when you use a self-signed certificate.
$INSTALL_DIR\config\AppConfig.xmlfile. $INSTALL_DIR refers to the folder where Xeams is installed, which is usually set to
C:\Xeamson Windows, and
server.propertiesin the past, which is stored in
$INSTALL_DIR\configfolder. Remove any references to SSL certificate from
server.propertiesif you had modified it in the past. Click here to learn more about