Re: [rt-users] Upgrading 4.0.8 -> 4.2.0 breaking outgoing email

[Alex Vandiver]

On Wed, 2013-10-30 at 19:30 +0000, Wright, Cory (CDC/OID/NCEZID) (CTR)
wrote:
> sql_mode                       = [...],ONLY_FULL_GROUP_BY

That would be your problem.  RT doesn't support running with that option
enabled.
 - Alex