If you don’t want to have your emails rejected or sent to the SPAM folder, then you need to set up SPF and preferably DKIM as well for your email domains. If you have noticed email rejections from Gmail, this is probably the reason. Since November 2022, servers who send email to personal Gmail accounts must set up either SPF or DKIM. #Email #authentication #spf #dkim
https://reefwing.medium.com/spf-dkim-email-authentication-43e20fc28dfa