What is SPF? An SPF (Sender Policy Framework) entry for your domain helps a server that should receive mail from your domain decide...
What does the SPF entry have to look like? How exactly the SPF entry has to look like always depends on how you use the email service. What SPF...
How can I set up DKIM? The whole thing looks more cryptic than it actually is. The section between the quotation marks is particularly important. In...