If you have parked domains that never send email, it’s important to set up SPF, DKIM, and DMARC so scammers can’t forge legitimate-looking email from those domains.

If you have parked domains that never send email, it’s important to set up SPF, DKIM, and DMARC so scammers can’t forge legitimate-looking email from those domains.
Spam filters work pretty well, but sometimes they incorrectly filter important mail into your junk folder. Here’s an easy way to find good messages (also known as “ham”) amidst the spam.
If your organization has its own domain for email addresses — [email protected] — set up email authentication to help ensure your email is delivered and your domain can’t be spoofed for phishing.