Issue: Email integration has stopped working
Symptoms: Server pauses periodically, no email integration activities being created
Cause: Gmail is no longer allowing Synergist to access your email integration mailbox
Resolution: Allow "less secure" apps to access the mailbox
One possible reason for an email integration failure is that your Gmail mailbox does not allow applications such as Synergist to access it.
Follow this guide to allow Synergist to access the mailbox once more: