SOLVED 451 temporary local problem

[Mads Nordholm]

Out of nowhere, one of our clients (they have their own cPanel install which we manage for them) started getting this error:

Server error: '451 temporary local problem - please try later'

The Exim log shows this:

2017-08-28 10:46:15 H=(example.com) [10.0.0.1]:64321 X=TLSv1:ECDHE-RSA-AES256-SHA:256 CV=no F=<[email protected]> A=dovecot_login:[email protected] temporarily rejected RCPT <[email protected]>: failed to expand ACL string "${perl{domain_has_outgoing_mail_suspended}{$sender_address_domain}}": Undefined subroutine &main::domain_has_outgoing_mail_suspended called.

I have searched high and low for an explanation to what that error message in the mail log means, but I haven't been able to find anything useful at all. Does anybody have any clues? In fairness, I don't even know if this error message in the exim log is related to the issue, but it's the only thing I can find in the exim log that even remotely looks like it could be related.

I should also mention that I have tried multiple different suggestions found on this forum (suspend/unsuspend, set mail exchanger to local etc.), but nothing has worked so far.

 

[24x7server]

Hi,

Do you have outgoing mail suspended for this account? This is what the below log is suggesting:
"Undefined subroutine &main::domain_has_outgoing_mail_suspended called"

Check the email account that is being attempted to be logged in.

 

[Mads Nordholm]

Yeah, I also gathered as much, but I don't see how it would get suspended (and I don't know how to check), as the domain is running on a package with absolutely no limitations.
Also, I did run this command just in case: whmapi1 unsuspend_outgoing_email user=$USER
That didn't solve the issue either.

 

[SysSachin]

I also gathered as much, but I don't see how it would get suspended (and I don't know how to check),

On the far right of each email account listed is a menu, on it, Suspend, Suspend Login and Suspend Incoming Mail, are shown.

Also, Please make the domain is in /etc/localdomains or /etc/remotedomains

 

[Mads Nordholm]

Domain is in /etc/localdomains

I didn't even think about checking the suspension status from cPanel, because I usually access everything from within WHM. However, I tried to check via cPanel and ran into an error that meant the list of email accounts for the domain would not even render. Think I will have to get cPanel support on this.

 

[cPanelMichael]

However, I tried to check via cPanel and ran into an error that meant the list of email accounts for the domain would not even render.

Hello,

Could you open a support ticket using the link in my signature so we can take a closer look? You can post the ticket number here and we will update this thread with the outcome.

Thank you.

 

[Mads Nordholm]

Ticket created: #8823625

 

[cPanelMichael]

Hello,

To update, this issue was solved by running the following command:

/scripts/mailperm

This repopulated some missing domain names in the /etc/localdomains file.

Thank you.