Notifications returned to server

[Nate Reist]

Google is blocking cPanel and WHM notifications as spam. I've added the corresponding addresses to my contacts and have a filter rule for never marking them as spam, but I don't think they are getting to the mailbox to hit those rules at all.

This message does not have authentication information or fails to pass
authentication checks. To best protect our users from spam, the
message has been blocked. Please visit
https://support.google.com/mail/answer/81126#authentication for more
information

Our current hostname is provided by our hosting company so I don't know that we can make any changes to the current host name DNS to add an SPF record or anything like that. I have tried changing the hostname to something we controlled and tested it without success. I switched it back because I didn't want to effect other mail delivery on the server to other user accounts ( which appear to be working for things like contact forms etc )

Is there a step I could be missing to ensure delivery from these accounts?

 

[MikeDVB]

From the error you provided - it looks to me like you want to set up SPF/DKIM and make sure they're properly configured for the sending mail server.

 

[Nate Reist]

From the error you provided - it looks to me like you want to set up SPF/DKIM and make sure they're properly configured for the sending mail server.

Thanks! I figured it was something along those lines although I am not an expert on that. So I've followed this documentation and added an SPF record to the DNS Zone inside of WHM. It doesn't appear to have made a difference, and I wonder if that it will effect public DNS. The server hostname set in WHM is owned by the hosting company and they control the DNS records for that externally from our server. Would those changes even make a difference when Google tries to authenticate the sender?

This is specifically messages from our WHM install notifying of failing processes or other notifications on the server so I am managing these changes through the WHM interface. That domain itself doesn't have a cPanel account inside of WHM as far as I know - I could be wrong though

Is it possible I need to change something locally for mail sending / DNS configuration that I may be missing? Do I need to contact the hosting company about the issue? Would I be better off trying to change the hostname to something where I can control the public DNS?

 

[bloatedstoat]

@Nate Reist
Have you tried MX Toolbox? They have some useful tools on there that can help diagnose issues related to SPF, DMARC, DNS and so forth

 

[Nate Reist]

@bloatedstoat I just tried. As suspected, it looks like that it doesn't have an SPF record, even though I added one in WHM because I don't control the actual DNS records for that domain. I will have to try to find another way to configure it, either with a different host name where I can control the SPF record or by sending the notifications in an alternate way.
.

 

[cPanelLauren]

Hi @Nate Reist

Your profile says you're a root administrator, with root access you should be able to modify the hostname of the server to whatever you'd like it to be. None the less without a properly configured SPF, DKIM & PTR the mail will most likely continue to be rejected/marked as spam by Gmail. The only solution I can see that would prevent this would be to add the necessary records, change the hostname so you can or stop having them sent to Gmail.


Thanks!