MailEnable (v.10.48) maintenance and security

Job ID: 38289834

Budget: €30 – €250 EUR

I'm seeking an expert of MailEnable (v.10.48) email server.
Server is Windows 2019, access allowed via AnyDesk (or Teamviewer) only

Main task:
- multiple domain configuration check
- on PfSense (not managed by me) lock ipgeographie access
- security improvement

About security, I'm ready to evaluate all your proposal, using free tools.
At the moment, into my LOG I see multiple login attempts

Low budget available.