Microsoft has announced the CU for SharePoint on premise servers for December 2021 SharePoint 2013 CU can be downloaded from here: The KB articles for December 2021 CU: KB 5002066 – SharePoint Foundation 2013 December 2021 CU… 

The incoming e-mail feature of Microsoft SharePoint Server enables SharePoint sites to receive and store e-mail messages and attachments in lists and libraries. A) Get IP assigned to hostnamePerform the following steps on the server that…