Hi. I updated to 9476 this afternoon. TLS binding issues with outbound SMTP ever since:
12:39:31.083 [127.0.0.1][48917913] rsp: 220 Start TLS negotiation
12:39:31.088 [127.0.0.1][48917913] rsp: 554 Security failure
12:39:31.089 [127.0.0.1][48917913] Exception negotiating TLS session: System.Security.Authentication.AuthenticationException: Authentication failed, see inner exception.
---> System.ComponentModel.Win32Exception (0x80090326): The message received was unexpected or badly formatted.
--- End of inner exception stack trace ---
at System.Net.Security.SslStream.ForceAuthenticationAsync[TIOAdapter](Boolean receiveFirst, Byte[] reAuthenticationData, CancellationToken cancellationToken)
at System.Net.Security.SslStream.AuthenticateAsServer(SslServerAuthenticationOptions sslServerAuthenticationOptions)
at SmarterMail.Protocols.Common.PooledTcpItem.ConvertToSSL(db_system_binding_port setting, Log log, String sessionId)
at SmarterMail.Protocols.Common.PooledTcpItem.ConvertToSSL(db_system_binding_port setting)