I don't have any machines that run EPEL so cannot test, therefore I decided not to maintain.  However - the good news is that Sphinx provides and supports RPMs for RHEL/CentOS.  You can obtain them here:  

http://sphinxsearch.com/downloads/release/

(In reply to Gerald Cox from comment #1)
> I don't have any machines that run EPEL so cannot test, therefore I decided
> not to maintain.  However - the good news is that Sphinx provides and
> supports RPMs for RHEL/CentOS.  You can obtain them here:  
> 
> http://sphinxsearch.com/downloads/release/

If you are currently not maintaining the packages of Sphinx in EPEL, shouldn't the packages be removed from the repository? Please clarify.

(In reply to Pim Rupert (Lemonbit) from comment #2)
> (In reply to Gerald Cox from comment #1)
> > I don't have any machines that run EPEL so cannot test, therefore I decided
> > not to maintain.  However - the good news is that Sphinx provides and
> > supports RPMs for RHEL/CentOS.  You can obtain them here:  
> > 
> > http://sphinxsearch.com/downloads/release/
> 
> If you are currently not maintaining the packages of Sphinx in EPEL,
> shouldn't the packages be removed from the repository? Please clarify.

They will be if no one adopts the packages within the next 10 days.