Hi there @thinkfuture,
Can you clarify if the newsletters you are sending out are Newsletters, Post Notification emails, or Welcome emails / automations?
For those on this thread who are having issues **specifically with Post Notification emails**, as you may have heard, we did have an issue with versions 4.41.x and 4.42.x of the plugin where this could happen. If you were affected by this bug, what you would see is Post Notification emails queued under?MailPoet > Emails?and showing as “sending” but never completing. Most people who saw the error saw the sent count show that?almost?all emails were sent, but not all.
If you suspect this is your issue, you would need to do two things to restore sending:
- first, upgrade the plugin to version 4.43.0
- second, you will need to move to trash any emails that are “stuck” in sending mode under MailPoet > Emails – this is the only way to clear the queue for future post notification emails.
Once both these steps are complete, future post notification emails should send properly.
If this is NOT your issue, please do respond so we can investigate further.