{"Transaction failed. The server response was: Sending address not accepted due to spam filter"}

{"Transaction failed. The server response was: Sending address not accepted due to spam filter"}

The SMTP host was not specified

{"Failure sending mail."}

[System.Net.Mail.SmtpException]: {"Failure sending mail."}

Parser Error Message: Only Content controls are allowed directly in a content page that contains Content controls.

Parser Error Message: Only Content controls are allowed directly in a content page that contains Content controls.

Source Error:

Line 1: Line 2: Line 3: Line 4:

Solution for this error :

Possible Solution : Error connection to undo manager of the source file

Here are the possible solutions for "Error connection to undo manager of the source file" error

1. Close the Visual Studio and Reopen
2. Delete the designer file
3. Convert to Web Application (Select the project -->Right Click-->Convert to Web Application )

Error Message

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