550 sender unauthenticated
by mfoley from LinuxQuestions.org on (#6GFKC)
It seems like the email labyrinth is never ending! I have a host on a subdomain: host.ohprs.org. I tried sending a test message from a user on this host to my gmail account. I got bounced the following rejection:
Code:
----- The following addresses had permanent fatal errors -----
<mercureytech@gmail.com>
(reason: 550-5.7.26 This mail has been blocked because the sender is unauthenticated.)
----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 550-5.7.26 This mail 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 [ohprs.org] with ip: [24.142.169.13] = did not pass
<<< 550-5.7.26
<<< 550-5.7.26 To mitigate this issue, please visit Gmail's authentication guide
<<< 550-5.7.26 for instructions on setting up authentication:
<<< 550 5.7.26 https://support.google.com/mail/answer/81126#authentication g8-20020ac87f48000000b00419544d589bsi3213665qtk.743 - gsmtp
554 5.0.0 Service unavailableThis says specifically "SPF [ohprs.org] with ip: [24.142.169.13] = did not pass", yet the SPF record for ohprs.org is:
Code:v=spf1 include:spf.protection.outlook.com include:novatec-inc.com include:24.142.169.13 -allSo why does the SPF not pass? There must be more to the story.
Code:
----- The following addresses had permanent fatal errors -----
<mercureytech@gmail.com>
(reason: 550-5.7.26 This mail has been blocked because the sender is unauthenticated.)
----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 550-5.7.26 This mail 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 [ohprs.org] with ip: [24.142.169.13] = did not pass
<<< 550-5.7.26
<<< 550-5.7.26 To mitigate this issue, please visit Gmail's authentication guide
<<< 550-5.7.26 for instructions on setting up authentication:
<<< 550 5.7.26 https://support.google.com/mail/answer/81126#authentication g8-20020ac87f48000000b00419544d589bsi3213665qtk.743 - gsmtp
554 5.0.0 Service unavailableThis says specifically "SPF [ohprs.org] with ip: [24.142.169.13] = did not pass", yet the SPF record for ohprs.org is:
Code:v=spf1 include:spf.protection.outlook.com include:novatec-inc.com include:24.142.169.13 -allSo why does the SPF not pass? There must be more to the story.