Strange behavior since I updated the module to 6.3.0 and DNN between versions 7.0.1. and 7.0.3

With more than one address in Sent To, in this case two addresses, neither will receive the feedback email. A copy to the sender goes out just fine, with that option selected.

Remove the second addresses, no matter what it is, and the form will function again.  The addresses are separated by a semicolon, as the nice error you get will attest to if you try to use something else.

This may be an issue with my mail configuration, or not.

I was running the old version of the module under DNN 7.1, with no trouble, then updated module to 6.3.0 and DNN to 7.2 and then again to 7.3 a week later.

With one email address, no trouble on any of my portals. But with 2 it is apparently throwing this general exception error.

DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke
ExceptionGUID: db34bcf7-0c67-4007-9e83-a36a2b55f6c9
InnerException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: SMTP authentication is required.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Net.Mail.RecipientCommand.CheckResponse
StackTrace:
Message: System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: SMTP authentication is required. at System.Net.Mail.RecipientCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at DotNetNuke.Services.Mail.Mail.SendMailInternal(MailMessage mailMessage, String subject, String body, MailPriority priority, MailFormat bodyFormat, Encoding bodyEncoding, IEnumerable`1 attachments, String smtpServer, String smtpAuthentication, String smtpUsername, String smtpPassword, Boolean smtpEnableSSL)

I just went through and created a DNN CE 7.0.3 site and installed Feedback 6.3.0. It worked fine with two email addresses in the Send To field.

Just a thought do you have the SMTP config setup fully in Host Settings? Not sure why that should make a difference in the send to addresses....

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