I mean anything that is not hosted in your house. For example, dynamic dns, some type of ddos protection, off-site backups, external oauth provider, etc.
I mean anything that is not hosted in your house. For example, dynamic dns, some type of ddos protection, off-site backups, external oauth provider, etc.
The problem isn’t incoming spam, but rather not being able to send to the larger email providers because of arbitrary spamfiltering on their side.