Mail not receiving to external mail user 2010 WF logic

sns 9,246 Reputation points
2020-09-30T18:04:51.73+00:00

I am using SharePoint 2016 site (external), For the one of the list I am using only one line workflow logic that is send email,
and in TO area I have put external user mail id, in CC it is mine. .

When I start the workflow manually from item, I can see workflow started and completed successfully, But mail is not going to external user, where as I received the mail
Please help refer below screenshots
29521-capture.png
29531-capture2.png

user mail is there in user profiles, same mail id given in the workflow logic also

FYI: it is 2013 designer , 2016 sharepoint external site, 2010 WF platform

I verified from the ULS nothing found.

Please help

and one more can you let me know on how to use fiddler tool?

Microsoft 365 and Office | SharePoint Server | For business
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  1. JoyZ 18,111 Reputation points
    2020-10-01T06:12:11.907+00:00

    Hi @sns ,

    Please refer to this article to check the SMTP log:

    https://portal.databasemart.com/kb/a498/how-to-check-smtp-logs-in-windows-server-iis.aspx

    More information on debugging a SharePoint workflow with Fiddler:

    https://learn.microsoft.com/en-us/sharepoint/dev/general-development/debugging-sharepoint-server-workflows#walkthrough-debugging-a-sharepoint-workflow-with-fiddler

    Also check the Event log for any clues.


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