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cPanel Technical Support has been heavily impacted by hurricane Beryl and our ability to respond to tickets has been hindered as a result. We appreciate your understanding and patience as we address these delays.

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5 comments

  • cPanelMichael
    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 so we can update this thread with the outcome. Thank you.
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  • alinford
    I created a ticket. Support Request ID is: 8344723
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  • alinford
    cPanel Support was able to figure this out: The following bug in Exim was not adding a final newline to messages using BDAT: Bug 1974 " Handle missing final CRLF in chunked/BDAT transferred messages, resulting in a missing final LF in spool files In cPanel 62 chunking was disabled as a workaround for this bug, however, I'm not seeing in your server's Exim configuration chunking being disabled. I have opened an internal case CPANEL-12403 for this and as a workaround in the mean time I have disabled chunking through Exim's Advanced Configuration Editor.
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  • cPanelMichael
    Hello, To update, Exim 4.89 was included in cPanel 64 with chunking enabled again, however the Exim changes were not sufficient and still lead to issues like the one reported in this thread. We're disabling chunking again (CPANEL-12403) to address this issue. I'll update this thread again once the change is published. Thank you.
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  • cPanelMichael
    Hello, Exim was updated to revert chunking support in a recent cPanel 64 build. Here's an example of the output you should see when checking to confirm that chunking support is disabled:
    # cat /usr/local/cpanel/version 11.64.0.11 # grep -i chunking /etc/exim.conf chunking_advertise_hosts = 198.51.100.1 hosts_try_chunking = 198.51.100.1 hosts_try_chunking = 198.51.100.1
    This should address the issue reported on this thread. Thank you.
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