[Solved] DKIM authentication not accepted

[Mário Rui Roberto]

I am facing difficulties sending email to google email.  I am receiving response back that was impossible to deliver de email. I have also activate in my account the DKIM  Authentication but the error in not fixed. Could you help me to solve this issue?

Best regards

Thank you

 

results: 550-5.7.26  DKIM = did not pass 550-5.7.26  SPF
    [sapatpirescoxe.helioho.st] with ip: [65.19.154.94] = did not 550-5.7.26
    pass 550-5.7.26  550-5.7.26  For instructions on setting up authentication,
    go to 550 5.7.26

 

This is the mail system at host morty.heliohost.org.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<sapateiro.pirescoxe@gmail.com>: host
    gmail-smtp-in.l.google.com[142.250.141.26] said: 550-5.7.26 Your email has
    been blocked because the sender is unauthenticated. 550-5.7.26 Gmail
    requires all senders to authenticate with either SPF or DKIM. 550-5.7.26
    550-5.7.26  Authentication results: 550-5.7.26  DKIM = did not pass
    550-5.7.26  SPF [sapatpirescoxe.helioho.st] with ip: [65.19.154.94] = did
    not 550-5.7.26 pass 550-5.7.26  550-5.7.26  For instructions on setting up
    authentication, go to 550 5.7.26
    https://support.google.com/mail/answer/81126#authentication
    d9443c01a7336-223501d314asi147852675ad.46 - gsmtp (in reply to end of DATA
    command)

Reporting-MTA: dns; morty.heliohost.org
X-Postfix-Queue-ID: B4C05602ED1F
X-Postfix-Sender: rfc822; sapateiro@sapatpirescoxe.helioho.st
Arrival-Date: Mon,  3 Mar 2025 13:47:03 +0000 (UTC)

Final-Recipient: rfc822; sapateiro.pirescoxe@gmail.com
Original-Recipient: rfc822;sapateiro.pirescoxe@gmail.com
Action: failed
Status: 5.7.26
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 Your email has been blocked because the
    sender is unauthenticated. 550-5.7.26 Gmail requires all senders to
C with either SPF or DKIM. 550-5.7.26  550-5.7.26
    Authentication results: 550-5.7.26  DKIM = did not pass 550-5.7.26  SPF
    [sapatpirescoxe.helioho.st] with ip: [65.19.154.94] = did not 550-5.7.26
    pass 550-5.7.26  550-5.7.26  For instructions on setting up authentication,
    go to 550 5.7.26
    https://support.google.com/mail/answer/81126#authentication
    d9443c01a7336-223501d314asi147852675ad.46 - gsmtp

[MoneyBroz]

This support request is being escalated to our root admins.

[wolstech]

DKIM, SPF, and DMARC have been set up for the domain sapatpirescoxe.helioho.st. We recommend sending a test email to https://www.mail-tester.com/ to make sure that everything is set up correctly. If you get less than a 10/10 score please post a link to the full report so we can help you fix any other issues that there may be.
 

[Mário Rui Roberto]

Many thank both. Now the sending email to gmail it's working according expected. Already tested.

Beste regards

MRoberto