It has been an experience in the past with Glinks 3 and now even with the recently purchased GMail 3.x running on cPanel servers. use of sendmail wrapper (cpanel has EXIM as MTA) would give following error:

sendmail: sendmail cannot be called directly from a shell with the current user id
sendmail: sendmail cannot be called directly from a shell with the current user id
[notice] child pid 12180 exit signal Broken pipe (13)

[notice] is crashed httpd-perl so one would see proxy error.

Now to get over this there's one setting which has to be disabled on cPanel servers:
"Track email origin through X-Source email headers"

On disabling this everything works fine.
Once you enable that the above would reappear reproducibly.

This is a temporary solution till there's some fix on this from GT

Thanks
HyTC
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