Added SMTPAuthenticationError to list of deferring exceptions.
Added SMTPAuthenticationError to list of deferring exceptions.

git-svn-id: adcf0b63af0761bbeb1b77f061952ffc2c1df8bd@35 09d42984-cf36-0410-8cf8-11b756d0386d

danirus/django-mailer,pigletto/django-mailer,hashstat/django-mailer,istruble/django-mailer,olomix/django-mailer,mrmch/django-mailer,brosner/django-mailer,shn/django-mailer-2,jesseh/django-mailer,balsdorf/django-mailer,idlweb/django-mailer,jacinda/django-mailer,andybak/django-mailer,temnoregg/django-mailer,treyhunner/django-mailer,mfwarren/django-mailer-2,JordanReiter/django-mailer,vikingco/django-mailer,hushwings/django-mailer,selwin/django-mailer,maykinmedia/django-mailer-2,havan/django-mailer,guoqiao/django-mailer,pinax/django-mailer,asgeirrr/django-mailer,xonatius/django-mailer,maykinmedia/django-mailer-2,ilvar/django-mailer,duilio/django-mailer,rmaceissoft/django-mailer,PSyton/django-mailer-2,eriks5/django-mailer,filterfoundry/django-mailer,mudiarto/django-mailer,colinhowe/django-mailer-2,tclancy/django-mailer-2,kvh/django-mailer-2,zyegfryed/django-mailer,ryanshawty/django-mailer,impy88/django-mailer,defcube/django-mailer,tsanders-kalloop/django-mailer-2,Giftovus/django-mailer-2,nielsvanoch/django-mailer,jshalvi/django-mailer,bltravis/django-mailer,eykd/django-mailer,git2samus/django-mailer,morenopc/django-mailer-2,fenginx/django-mailer-2,CompileInc/django-mailer,felixxm/django-mailer,k1000/django-mailer-2,hugochinchilla/django-mailer,APSL/django-mailer-2,DarkHorseComics/django-mailer,zamazaljiri/django-mailer,rasca/django-mailer,ironfroggy/django-mailer,nabucosound/django-mailer,richardbarran/django-mailer,victorfontes/django-mailer-2,alepane21/django-mailer,chriscauley/django-mailer,GreenLightGo/django-mailer-2,torchbox/django-mailer-2,damkop/django-mailer-2,pmclanahan/django-mailer,davidmarble/django-mailer-2,spookylukey/django-mailer,joebos/django-mailer,PolicyStat/django-mailer,jawed123/django-mailer,muratcorlu/django-mailer,jiivan/django-mailer,adriannye/django-mailer,suvit/django-mailer,oppianmatt/django-mailer,matllubos/django-mailer,APSL/django-mailer-2,WebsandHQ/django-mailer,Aeron/django-mailer,rofrankel/django-mailer-2,APSL/django-mailer-2,yesimon/django-mailer,mrbox/django-mailer-2,code06/django-mailer,marcelor/django-mailer,tachang/django-mailer-2,pegler/django-mailer-2,toofishes/django-mailer,maykinmedia/django-mailer-2,restless/django-mailer,rhec/django-mailer,PolicyStat/django-mailer,duh386/django-mailer,SmileyChris/django-mailer-2,danfairs/django-mailer-2,pinax/django-mailer,Ubiwhere/django-mailer