Help me!!

[minhqui]

I tried to use mail server but the system reported:
This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

host gmail-smtp-in.l.google.com [108.177.97.27]
SMTP error from remote mail server after pipelined end of data:
550-5.7.26 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. a6si4154328pfi.201 - gsmtp

 

[floyd]

Do you have dkim set?

 

[Richard G]

And spf.

 

[factor]

and dns..

 

[ikkeben]

And Humor

 

[Richard G]

and dns..

Bzzz wrong... got you. That's not an authentication info needed by Gmail as mentioned in the error. Without DNS it wouldn't have arrived anyway.
You'll have to do the dishes tonight.

Sorry @minhqui I couldn't help myself responding with fun.
Did you manage to fix the issue?

 

[factor]

Bzzz wrong... got you. That's not an authentication info needed by Gmail as mentioned in the error. Without DNS it wouldn't have arrived anyway.
You'll have to do the dishes tonight.

Sorry @minhqui I couldn't help myself responding with fun.
Did you manage to fix the issue?

HAHAHA what is the dishes? My spouse won't even let me in the kitchen...

I guess I could have said
and dmarc

 

[sysdev]

Bzzz wrong... got you. That's not an authentication info needed by Gmail as mentioned in the error. Without DNS it wouldn't have arrived anyway.
You'll have to do the dishes tonight.

Sorry @minhqui I couldn't help myself responding with fun.
Did you manage to fix the issue?

RDNS