DomainKeys Identified Mail (DKIM) is a way to attach an encrypted digital signature to emails sent by your domain/server. Similar to adding an SPF record to your server, DKIM help to prevent email spoofing.
Email spoofing is when spammers send email that looks like it’s coming from your email address. Spammers spoof your address to make it more likely that recipients will open spam emails, less likely that messages will be marked as spam, and harder to find the true spam source. If your address is spoofed, your server could get flagged as a spam server and you can have trouble sending legitimate mail, even if you aren’t doing anything wrong. This is commonly known as having a bad mail reputation. Continue reading “Enabling DomainKeys Identified Mail (DKIM)”