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When a bulk change happens, your Jira instance will send a webhook for each and every issue update. This can create a flood of notifications if you do not remember to check “Dont send notifications”check “Send mail for this update”. After many years of lobbying, Atlassian finally included this flag in the webhooks we receive, so, when you check that in the UI, .
By default, “Send mail for this update” is unchecked, meaning JEMHC will drop the webhook as soon as it is received, no mail will be sent. If “Send mail for this update” is checked, a notification webhook will be sent for every transition made against every selected issue.
Why Jira still sends all your issue data to us when no JEMHC license is present
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