I got a bit further. For some reason it is being blocked for a spoofed address? Who is it trying to send the email as because the SMTP test email under the Host Settings page gets sent and received just fine.
AssemblyVersion: 04.07.00
PortalID: 0
PortalName: Review System
UserID: -1
UserName:
ActiveTabID: 37
ActiveTabName: Home
RawURL: /Default.aspx?tabid=37&ctl=SendPassword
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: http://www.mysite.com/Default.aspx?tabid=37&ctl=SendPassword
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 1.0.3705; Zune 2.0)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 0863f07d-d570-48e9-81c0-ba809622f910
InnerException: Mailbox unavailable. The server response was: 5.7.1 This system is configured to reject spoofed sender addresses
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Net.Mail.MailCommand.CheckResponse
StackTrace:
Message: System.Net.Mail.SmtpException: Mailbox unavailable. The server response was: 5.7.1 This system is configured to reject spoofed sender addresses at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, String from) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at DotNetNuke.Services.Mail.Mail.SendMail(String MailFrom, String MailTo, String Cc, String Bcc, String ReplyTo, MailPriority Priority, String Subject, MailFormat BodyFormat, Encoding BodyEncoding, String Body, String[] Attachment, String SMTPServer, String SMTPAuthentication, String SMTPUsername, String SMTPPassword, Boolean SMTPEnableSSL)
Source:
Server Name: WEB01