⚠External message: Use caution.

I am receiving an error in my listserv, that seems to indicate it is an exchange issue.

Insufficient system resources (UsedDiskSpace[C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue])

I am running on rhel 7.9, with listserv 16.5

Now, of course I could upgrade listserv, but it was doing fine till just the last couple weeks, when this message cropped up.

My exchange person doesn’t seem to find anything, so I am wondering if there is something else, on the listserv, that could cause this.

Thanks

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