Issue Description

After upgrading to K2 4.7, emails no longer send when a generic email address is configured in the from address field on a Send an email rule action in SmartForms.

Cause

The issue was caused by security enhancements introduced in K2 4.7.

Resolution

  1. Ensure you have K2 4.7 installed.
  2. Download and install the K2 4.7 May 2017 Cumulative Update from K2 Partner and Customer Portal.
  3. Get the K2 4.7 May 2017 Cumulative Update FP9 from Regional Support.
  4. Install the K2 4.7 May 2017 Cumulative Update FP9 to apply the fix.
  5. Clear your browser cache.
  6. Add the following entry under the appSettings section in the [INSTALLDIR]\K2 smartforms Designer\Web.config:
    <add key="Forms.Runtime.Email.RevertToSMTP" value="true"/>
  7. Add the following entry under the appSettings section in the [INSTALLDIR]\K2 smartforms Runtime\Web.config:
    <add key="Forms.Runtime.Email.RevertToSMTP" value="true"/>