> So far I haven't encountered a single email provider that successfully delivers 100% of mail sent. There is no email provider that will deliver 100%. None. A

> So far I haven't encountered a single email provider that successfully delivers 100% of mail sent. There is no email provider that will deliver 100%. None. As I mentioned in another comment, you can buy a gsuite corporate account and send email from gmail to gmail within your own company and still end up in spam. If you expect 100% from any solution, you'll be disappointed.