Enabling DKIM signing for your domains can help you keep your email content intact throughout the delivery process, barring threat actors from accessing and altering your emails. This helps preserve your identity and eradicate spam and phishing attacks.
Not much information is available on whether or not Sonic does support or recommend DKIM authentication for your domains. You can directly get in touch with their support team to know more about DKIM settings.
Lookup and validate the published DKIM DNS record using our free DKIM record lookup tool. Enable DMARC for your domains to protect against spoofing. Sign up for a DMARC trial today!