If blog subscription emails were not turned on in your blog settings when the post was originally published, then the post may be included in relevant weekly or monthly blog notification emails for the new publish date.
In your HubSpot account, navigate to Marketing > Website > Blog.
Hover over a post and click Edit.
In the content editor, click the dropdown menu next to Update in the top right and select Publishing options.
In the dialog box, select the Scheduleupdate checkbox.
Click the date picker and select a publish date. Click the time picker and select a publish time. Times can be selected in half-hour increments.
Click Update now.
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