Looking for a guide to collect all e-mail from the ISP mail server

[Marc Roos]

 > I too would strongly advise you to use Google Workspace (the recent 
new name for G Suite, previously known as Google Apps). 
 > It's cheap, very reliable, and has all features you can dream of, 
including an autoresponder.
 >  It's unrealistic to think that it's possible to beat a service that 
costs a mere USD 6 / user / month (and is free for nonprofits!).

I would not advice any company that is continuously being fined for 
breaking the law.