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    Nintex Knowledge Base

    Workflow Progress After SMTP Server Failure

    Summary
    If using a step in a workflow to send an email notification and the SMTP server is unavailable, does Nintex process that as an error and stop the workflow, or does the workflow continue and disregard that the email was not sent?

    Solution
    The workflow does not stop if the SMTP server is unavailable.
    • Emails are sent using the provided SMTP client.
    • Emails rejected by the SMTP server are not resent.
    • However, if any errors occur after calling the “Send” method, they are logged in the Application Event log and the “Send” method is called again.
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