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  • Chris Swam 1 post 71 karma points
    Aug 30, 2021 @ 18:15
    Chris Swam

    Emails from Forms not working

    We have an issue with emails from our forms. We have the entries in the CMS, but no emails are being sent from the forms. They are all configured correctly and according to our ITS department, the smtp settings have not changed.

    The error we are seeing is:

    ERROR Umbraco.Core.Services.NotificationService - An error occurred sending notification System.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Unable to read data from the transport connection: netioconnectionclosed.

    Any ideas?

  • Alex Skrypnyk ( 6061 posts 23313 karma points MVP 6x admin c-trib
    Sep 01, 2021 @ 14:03
    Alex Skrypnyk (

    Hi Chris

    This error says that the problem with SMTP connection, try to check smtp settings in the web.config



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