On 2017-02-28 at 00:55 +0000, Alain Williams wrote: > Running on CentOS 6 (64 bit), using exim 4.88 installed from RPM
> Build Host: buildvm-30.phx2.fedoraproject.org Source RPM: exim-4.88-2.el6.src.rpm > I only get these errors if the message being sent is large (body or attachment).
> Small emails - no problem.
Disable chunking. Known issues in 4.88, fixed in forthcoming 4.89.
We've tracked down several crash bugs and are trying to fix one last
crash bug before I cut 4.89RC7, which should be the last RC.
If you can install 4.89RC6, then that should fix your issues.