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Email failures

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ParkerSeal

New Around Here



Posts:17
New Around Here




7/4/2022 6:44 AM

    A problem has developed on our site - some emails aren't being sent.  This includes password reset links and registration emails. But some are - contact forms etc.

    The SMTP error message is "User not local; please try a different path. The server response was: Sender address is not valid for your login. Check your email program settings."

    In other words, the SMTP server doesn't like the sender address. 

    However this VB code runs fine:

            DotNetNuke.Services.Mail.Mail.SendEMail(
                fromAddress:="info@mydomain.org.uk",
                toAddress:="[email protected]",
                subject:="Test",
                body:="body")

    where the From address is host/portal's SMTP user name, and fails if the sender isn't an address om my domain (as expected)

    The SMTP server settings in DNN are: basic authentication (with a valid username and password) and enable SSL true

    All I can think is that the emails that fail are overriding the sender address in Settings.  Would they do this?

    It used to work, but it's likely there have been Microsoft updates to the server (over which I have no control!)

    DNN v9.7.2

     






    Mariette Knap (SU)

    Growing Member



    Posts:92
    Growing Member




    7/4/2022 8:02 AM
      Who is your SMTP sending server?





      ParkerSeal

      New Around Here



      Posts:17
      New Around Here




      7/4/2022 8:15 AM

        It's parkerseal.org.uk:587

        parkerseal.org.uk is my domain, [email protected] is a valid smtp login - and also the Host Email in DNN






        Mariette Knap (SU)

        Growing Member



        Posts:92
        Growing Member




        7/4/2022 11:08 AM

          Since 9.9.0 we use Mailkit as mailprovider instead of the CoreMailProvider. Maybe this solves the issue you have but I not sure. Read Release v9.9.0 · dnnsoftware/Dnn.Platform · GitHub






          ParkerSeal

          New Around Here



          Posts:17
          New Around Here




          7/5/2022 3:30 AM

            Sorry. I misunderstood what you were asking!  We're still on 9.7 as I need to rewrite the membership provider before we can upgrade. But the shared host we use runs Plesk so is probably using MailEnable as the SMTP server.






            ParkerSeal

            New Around Here



            Posts:17
            New Around Here




            7/6/2022 4:43 AM

              Now resolved. The problem was that the email's Sender was different to the SMTP username, which MailEnable didn't like.

              So I had to change the SMTP Username in Server/Settings to match the email address of the primary administrator

               

              I 

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