Last Modified Date: 27 Apr 2016
ResolutionThe SMTP server which is configured to send the emails might need to be whitelisted.
Use one of the following workarounds:
- Allow the email recipient to receive external emails.
- Set up a new internal email address that is allowed to receive external emails, and then have an email rule to forward that message out to the email address which is blocking external emails.
CauseThe recipient email is configured to block external messages and can only receive internally sent messages. This is causing the email client to reject subscription emails.
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