I’m using phpsendmail and when I run tests to gmail, I’m getting the following errors:
This message does not have authentication information or fails to 550-5.7.26 pass authentication checks. To best protect our users from spam, the 550-5.7.26 message has been blocked. Please visit 550-5.7.26 https://support.google.com/mail/answer/81126#authentication for more 550 5.7.26 information.
I’ve already added the TXT record to my domain in DigitalOcean dashboard.
type: TXT hostname: @ value: v=spf1 include:_spf.google.com ~all TTL: 3600
Am I doing something wrong?
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