Exception has been thrown by the target of an invocation. When sending mail

Wappler 5.0.3 Mac asp.net
Page was working fine, but last couple of updates must have broke it? I haven’t changed any code on this page for a while.

{
  "message": "Exception has been thrown by the target of an invocation.",
  "lastAction": {
    "name": "",
    "module": "mail",
    "action": "send",
    "options": {
      "instance": "cartikamail",
      "subject": "Listing Request Added",
      "fromName": "Webrobot",
      "fromEmail": "dave@dockrealty.com",
      "replyTo": "dave@dockrealty.com",
      "toName": "Baub Eis - Test",
      "toEmail": "5732162223@txt.att.net",
      "body": "https://maps.dockrealty.com/listing-request-detail.aspx?filter=8602  ",
      "cc": "",
      "bcc": "",
      "source": "static",
      "contentType": "text",
      "bodyFile": "",
      "embedImages": false,
      "importance": 1
    },
    "output": true
  },
  "orgException": {
    "ClassName": "System.Reflection.TargetInvocationException",
    "Message": "Exception has been thrown by the target of an invocation.",
    "Data": null,
    "InnerException": {
      "ClassName": "System.Security.Authentication.AuthenticationException",
      "Message": "A call to SSPI failed, see inner exception.",
      "Data": null,
      "InnerException": {
        "NativeErrorCode": -2146893018,
        "ClassName": "System.ComponentModel.Win32Exception",
        "Message": "The message received was unexpected or badly formatted",
        "Data": null,
        "InnerException": null,
        "HelpURL": null,
        "StackTraceString": null,
        "RemoteStackTraceString": null,
        "RemoteStackIndex": 0,
        "ExceptionMethod": null,
        "HResult": -2147467259,
        "Source": null,
        "WatsonBuckets": null
      },
      "HelpURL": null,
      "StackTraceString": "   at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception)\r\n   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)\r\n   at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)\r\n   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)\r\n   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)\r\n   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)\r\n   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)\r\n   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)\r\n   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)\r\n   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)\r\n   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)\r\n   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)\r\n   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)\r\n   at System.Net.Mail.SmtpConnection.Flush()\r\n   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)\r\n   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)\r\n   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)\r\n   at System.Net.Mail.SmtpClient.GetConnection()\r\n   at System.Net.Mail.SmtpClient.Send(MailMessage message)\r\n   at DMXzone.ServerConnect.Module.MailModule.Send(JObject options) in C:\\Development\\Server Connect\\ASPNET_Source\\DMXzone Mailer\\Module\\MailModule.cs:line 197",
      "RemoteStackTraceString": null,
      "RemoteStackIndex": 0,
      "ExceptionMethod": "8\nStartSendAuthResetSignal\nSystem, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\nSystem.Net.Security.SslState\nVoid StartSendAuthResetSignal(System.Net.Security.ProtocolToken, System.Net.AsyncProtocolRequest, System.Exception)",
      "HResult": -2146233087,
      "Source": "System",
      "WatsonBuckets": 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    },
    "HelpURL": null,
    "StackTraceString": "   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)\r\n   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)\r\n   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)\r\n   at DMXzone.ServerConnect.App.Execute(JToken action) in C:\\Development\\Server Connect\\ASPNET_Source\\DMXzone Server Connect\\App.cs:line 442\r\n   at DMXzone.ServerConnect.ServerConnect.ExecuteAction(JToken action) in C:\\Development\\Server Connect\\ASPNET_Source\\DMXzone Server Connect\\ServerConnect.cs:line 241",
    "RemoteStackTraceString": null,
    "RemoteStackIndex": 0,
    "ExceptionMethod": "8\nInvokeMethod\nmscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\nSystem.RuntimeMethodHandle\nSystem.Object InvokeMethod(System.Object, System.Object[], System.Signature, Boolean)",
    "HResult": -2146232828,
    "Source": "mscorlib",
    "WatsonBuckets": null
  }
}