Mailozaurr is a PowerShell module that aims to provide SMTP, POP3, IMAP and few other ways to interact with Email. Underneath it uses MimeKit and MailKit and EmailValidation libraries written by Jeffrey Stedfast.

NetCmdlets 2020 - PowerShell Cmdlets for Internet Communications, Messaging & Network Management.

A PowerShell wrapper for the MxToolBox REST API

Query MX record and create reports which can also be sent by email