Incoming mail stuck in a loop

[rjshreve]

I have been working on upgrading all of my project dependencies, including this one. I'm now using v4. I'm unsure if it's related to the upgrade of this package directly my project seems to be stuck in a loop of "receiving" emails.

I've sent a series of test emails to my project and those emails were received, processed, and shown in my "mailbox_inbound_emails" table in my database. The problem here is that they won't stop. I've confirmed my email (Gmail) is not sending the email again and I've also confirmed, by disabling inbound_parse webhook within Sendgrid, that they are not sending the data again but for some reason those emails from two days ago, which i can tell based on the date within the payload, continue to be run through my project, stored to the "mailbox_inbound_emails" table and get processed.

I've tried clearing caches in laravel, restarting queues, restarting servers, clearing queues, etc. I've even uninstalled laravel-mailbox (which obviously stops it) but it starts processing those old emails again once I re-install it.

Any help would be greatly appreciated.