Any time i tried to start DatabaseMail service from SSMS it starts successfully but within few seconds it stops with below error message:
2018-09-28 10:11:41.303 DatabaseMail process is started
2018-09-28 10:11:41.303 1) Exception Information =================== Exception Type: Microsoft.SqlServer.Management.SqlIMail.Server.Common.BaseException Message: The Transaction not longer valid. Data: System.Collections.ListDictionaryInternal TargetSite: Void ValidateConnectionAndTransaction() HelpLink: NULL Source: DatabaseMailEngine HResult: -2146232832 StackTrace Information =================== at Microsoft.SqlServer.Management.SqlIMail.Server.DataAccess.ConnectionManager.ValidateConnectionAndTransaction() at Microsoft.SqlServer.Management.SqlIMail.Server.DataAccess.ConnectionManager.RollbackTransaction() at...