Consider opening a support issue with Atlassian.
This can happen due to misconfiguration of the server or if your email provider is throttling your emails. It has several causes, but this is not usually a 'JIRA' problem per say. JIRA normally sends emails immediately. I suspect JIRA is sending them normally and they are getting caught up elsewhere.
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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