Add mail_server_settings[:tls] setting to mail_settings
Add mail_server_settings[:tls] setting to mail_settings

Fixes #2003

CJMrozek/spree,thogg4/spree,hoanghiep90/spree,carlesjove/spree,hoanghiep90/spree,TimurTarasenko/spree,gregoryrikson/spree-sample,robodisco/spree,surfdome/spree,CiscoCloud/spree,Hates/spree,zaeznet/spree,woboinc/spree,ujai/spree,calvinl/spree,jaspreet21anand/spree,madetech/spree,abhishekjain16/spree,urimikhli/spree,cutefrank/spree,alepore/spree,dandanwei/spree,locomotivapro/spree,azranel/spree,useiichi/spree,patdec/spree,Antdesk/karpal-spree,njerrywerry/spree,richardnuno/solidus,moneyspyder/spree,derekluo/spree,richardnuno/solidus,codesavvy/sandbox,jimblesm/spree,SadTreeFriends/spree,yiqing95/spree,jasonfb/spree,JuandGirald/spree,rajeevriitm/spree,jsurdilla/solidus,Antdesk/karpal-spree,Migweld/spree,FadliKun/spree,mindvolt/spree,nooysters/spree,JuandGirald/spree,orenf/spree,volpejoaquin/spree,priyank-gupta/spree,zaeznet/spree,vulk/spree,imella/spree,Senjai/spree,ckk-scratch/solidus,cutefrank/spree,tesserakt/clean_spree,ayb/spree,Machpowersystems/spree_mach,PhoenixTeam/spree_phoenix,ayb/spree,dafontaine/spree,lsirivong/spree,athal7/solidus,azranel/spree,JDutil/spree,jeffboulet/spree,jaspreet21anand/spree,CiscoCloud/spree,pjmj777/spree,net2b/spree,pervino/spree,progsri/spree,tancnle/spree,ahmetabdi/spree,shaywood2/spree,LBRapid/spree,Hates/spree,LBRapid/spree,shioyama/spree,sideci-sample/sideci-sample-spree,rbngzlv/spree,karlitxo/spree,HealthWave/spree,StemboltHQ/spree,firman/spree,abhishekjain16/spree,rajeevriitm/spree,athal7/solidus,Nevensoft/spree,jasonfb/spree,Lostmyname/spree,jordan-brough/spree,Senjai/solidus,abhishekjain16/spree,vinsol/spree,jeffboulet/spree,kewaunited/spree,assembledbrands/spree,net2b/spree,shekibobo/spree,delphsoft/spree-store-ballchair,ramkumar-kr/spree,scottcrawford03/solidus,madetech/spree,Arpsara/solidus,firman/spree,alejandromangione/spree,scottcrawford03/solidus,softr8/spree,shaywood2/spree,gregoryrikson/spree-sample,dafontaine/spree,jordan-brough/solidus,Senjai/spree,jimblesm/spree,judaro13/spree-fork,Migweld/spree,sliaquat/spree,pulkit21/spree,cutefrank/spree,beni55/spree,vmatekole/spree,sunny2601/spree,TrialGuides/spree,assembledbrands/spree,grzlus/spree,zamiang/spree,azclick/spree,Machpowersystems/spree_mach,jordan-brough/spree,PhoenixTeam/spree_phoenix,beni55/spree,bonobos/solidus,freerunningtech/spree,codesavvy/sandbox,trigrass2/spree,athal7/solidus,gautamsawhney/spree,joanblake/spree,miyazawatomoka/spree,dafontaine/spree,derekluo/spree,Lostmyname/spree,kewaunited/spree,urimikhli/spree,carlesjove/spree,patdec/spree,njerrywerry/spree,kitwalker12/spree,gregoryrikson/spree-sample,beni55/spree,hifly/spree,useiichi/spree,yushine/spree,Kagetsuki/spree,thogg4/spree,progsri/spree,edgward/spree,azranel/spree,grzlus/spree,pervino/spree,Hawaiideveloper/shoppingcart,builtbybuffalo/spree,Lostmyname/spree,lsirivong/solidus,Hates/spree,tancnle/spree,AgilTec/spree,tailic/spree,vinsol/spree,Engeltj/spree,knuepwebdev/FloatTubeRodHolders,reinaris/spree,kitwalker12/spree,agient/agientstorefront,jordan-brough/solidus,DynamoMTL/spree,azclick/spree,sfcgeorge/spree,xuewenfei/solidus,Hawaiideveloper/shoppingcart,shaywood2/spree,azclick/spree,Ropeney/spree,maybii/spree,net2b/spree,degica/spree,calvinl/spree,jparr/spree,reinaris/spree,bonobos/solidus,yomishra/pce,volpejoaquin/spree,tailic/spree,nooysters/spree,siddharth28/spree,ahmetabdi/spree,yomishra/pce,piousbox/spree,HealthWave/spree,zamiang/spree,pjmj777/spree,reinaris/spree,dotandbo/spree,moneyspyder/spree,jhawthorn/spree,project-eutopia/spree,robodisco/spree,vinsol/spree,sunny2601/spree,madetech/spree,degica/spree,jspizziri/spree,karlitxo/spree,TrialGuides/spree,tesserakt/clean_spree,azclick/spree,jaspreet21anand/spree,keatonrow/spree,derekluo/spree,forkata/solidus,jordan-brough/solidus,tomash/spree,njerrywerry/spree,volpejoaquin/spree,APohio/spree,ahmetabdi/spree,APohio/spree,mleglise/spree,thogg4/spree,radarseesradar/spree,CJMrozek/spree,surfdome/spree,moneyspyder/spree,RatioClothing/spree,bricesanchez/spree,shioyama/spree,ujai/spree,APohio/spree,locomotivapro/spree,forkata/solidus,richardnuno/solidus,piousbox/spree,devilcoders/solidus,raow/spree,quentinuys/spree,raow/spree,mindvolt/spree,alepore/spree,yushine/spree,JuandGirald/spree,radarseesradar/spree,orenf/spree,camelmasa/spree,omarsar/spree,watg/spree,dandanwei/spree,sliaquat/spree,adaddeo/spree,pervino/solidus,imella/spree,volpejoaquin/spree,Migweld/spree,rbngzlv/spree,xuewenfei/solidus,NerdsvilleCEO/spree,CJMrozek/spree,alejandromangione/spree,biagidp/spree,hoanghiep90/spree,Antdesk/karpal-spree,brchristian/spree,JDutil/spree,azranel/spree,gautamsawhney/spree,pervino/spree,lsirivong/spree,odk211/spree,pulkit21/spree,jsurdilla/solidus,karlitxo/spree,lzcabrera/spree-1-3-stable,raow/spree,kewaunited/spree,caiqinghua/spree,ckk-scratch/solidus,Senjai/solidus,KMikhaylovCTG/spree,wolfieorama/spree,miyazawatomoka/spree,richardnuno/solidus,wolfieorama/spree,rajeevriitm/spree,radarseesradar/spree,surfdome/spree,maybii/spree,grzlus/solidus,xuewenfei/solidus,CiscoCloud/spree,Mayvenn/spree,hoanghiep90/spree,priyank-gupta/spree,rakibulislam/spree,edgward/spree,wolfieorama/spree,tesserakt/clean_spree,vinsol/spree,biagidp/spree,RatioClothing/spree,karlitxo/spree,adaddeo/spree,keatonrow/spree,degica/spree,imella/spree,archSeer/spree,NerdsvilleCEO/spree,bonobos/solidus,priyank-gupta/spree,lyzxsc/spree,vcavallo/spree,useiichi/spree,jsurdilla/solidus,jeffboulet/spree,dotandbo/spree,dafontaine/spree,Kagetsuki/spree,pervino/solidus,reidblomquist/spree,groundctrl/spree,ahmetabdi/spree,patdec/spree,wolfieorama/spree,welitonfreitas/spree,reidblomquist/spree,quentinuys/spree,piousbox/spree,Engeltj/spree,jordan-brough/spree,trigrass2/spree,softr8/spree,Kagetsuki/spree,yushine/spree,bjornlinder/Spree,grzlus/solidus,sfcgeorge/spree,keatonrow/spree,lsirivong/solidus,siddharth28/spree,Senjai/solidus,FadliKun/spree,sunny2601/spree,patdec/spree,Boomkat/spree,APohio/spree,rajeevriitm/spree,sideci-sample/sideci-sample-spree,Nevensoft/spree,tancnle/spree,edgward/spree,jasonfb/spree,lsirivong/solidus,devilcoders/solidus,priyank-gupta/spree,project-eutopia/spree,Arpsara/solidus,NerdsvilleCEO/spree,knuepwebdev/FloatTubeRodHolders,adaddeo/spree,berkes/spree,SadTreeFriends/spree,miyazawatomoka/spree,woboinc/spree,assembledbrands/spree,mindvolt/spree,jhawthorn/spree,edgward/spree,siddharth28/spree,locomotivapro/spree,joanblake/spree,quentinuys/spree,gautamsawhney/spree,surfdome/spree,trigrass2/spree,alejandromangione/spree,sideci-sample/sideci-sample-spree,rakibulislam/spree,pervino/solidus,grzlus/solidus,dotandbo/spree,njerrywerry/spree,jsurdilla/solidus,groundctrl/spree,Mayvenn/spree,vinayvinsol/spree,DarkoP/spree,brchristian/spree,joanblake/spree,archSeer/spree,vinayvinsol/spree,ayb/spree,bjornlinder/Spree,TimurTarasenko/spree,fahidnasir/spree,kewaunited/spree,quentinuys/spree,scottcrawford03/solidus,berkes/spree,biagidp/spree,NerdsvilleCEO/spree,agient/agientstorefront,zamiang/spree,jimblesm/spree,alvinjean/spree,Ropeney/spree,yushine/spree,grzlus/solidus,trigrass2/spree,useiichi/spree,fahidnasir/spree,Arpsara/solidus,Boomkat/spree,alepore/spree,JDutil/spree,brchristian/spree,bricesanchez/spree,vmatekole/spree,bricesanchez/spree,robodisco/spree,pervino/solidus,codesavvy/sandbox,firman/spree,brchristian/spree,mleglise/spree,freerunningtech/spree,locomotivapro/spree,devilcoders/solidus,ckk-scratch/solidus,Hates/spree,alvinjean/spree,zamiang/spree,FadliKun/spree,caiqinghua/spree,hifly/spree,jparr/spree,progsri/spree,mleglise/spree,welitonfreitas/spree,lzcabrera/spree-1-3-stable,dandanwei/spree,jasonfb/spree,miyazawatomoka/spree,Lostmyname/spree,AgilTec/spree,TimurTarasenko/spree,reidblomquist/spree,urimikhli/spree,calvinl/spree,agient/agientstorefront,athal7/solidus,builtbybuffalo/spree,vmatekole/spree,CiscoCloud/spree,reinaris/spree,lsirivong/spree,DynamoMTL/spree,PhoenixTeam/spree_phoenix,TimurTarasenko/spree,LBRapid/spree,tomash/spree,caiqinghua/spree,gautamsawhney/spree,watg/spree,judaro13/spree-fork,mindvolt/spree,yiqing95/spree,jaspreet21anand/spree,odk211/spree,ramkumar-kr/spree,shekibobo/spree,zaeznet/spree,DarkoP/spree,dandanwei/spree,madetech/spree,orenf/spree,lzcabrera/spree-1-3-stable,vinayvinsol/spree,JuandGirald/spree,sliaquat/spree,Mayvenn/spree,KMikhaylovCTG/spree,hifly/spree,maybii/spree,HealthWave/spree,AgilTec/spree,jordan-brough/solidus,vulk/spree,devilcoders/solidus,builtbybuffalo/spree,kitwalker12/spree,Machpowersystems/spree_mach,judaro13/spree-fork,ujai/spree,woboinc/spree,camelmasa/spree,abhishekjain16/spree,vulk/spree,lyzxsc/spree,calvinl/spree,forkata/solidus,StemboltHQ/spree,jparr/spree,fahidnasir/spree,JDutil/spree,KMikhaylovCTG/spree,carlesjove/spree,yiqing95/spree,yiqing95/spree,pervino/spree,omarsar/spree,tomash/spree,rbngzlv/spree,joanblake/spree,Ropeney/spree,grzlus/spree,firman/spree,Engeltj/spree,keatonrow/spree,jspizziri/spree,Migweld/spree,project-eutopia/spree,pulkit21/spree,Ropeney/spree,reidblomquist/spree,ramkumar-kr/spree,delphsoft/spree-store-ballchair,knuepwebdev/FloatTubeRodHolders,sfcgeorge/spree,vulk/spree,grzlus/spree,gregoryrikson/spree-sample,ayb/spree,tancnle/spree,yomishra/pce,Hawaiideveloper/shoppingcart,codesavvy/sandbox,xuewenfei/solidus,FadliKun/spree,groundctrl/spree,camelmasa/spree,CJMrozek/spree,delphsoft/spree-store-ballchair,vcavallo/spree,jparr/spree,vcavallo/spree,odk211/spree,bonobos/solidus,archSeer/spree,TrialGuides/spree,ramkumar-kr/spree,freerunningtech/spree,PhoenixTeam/spree_phoenix,berkes/spree,fahidnasir/spree,DynamoMTL/spree,DarkoP/spree,tesserakt/clean_spree,alvinjean/spree,DynamoMTL/spree,KMikhaylovCTG/spree,pulkit21/spree,caiqinghua/spree,bjornlinder/Spree,Nevensoft/spree,StemboltHQ/spree,berkes/spree,piousbox/spree,lsirivong/solidus,Senjai/solidus,zaeznet/spree,tailic/spree,Senjai/spree,alvinjean/spree,jimblesm/spree,Hawaiideveloper/shoppingcart,orenf/spree,jspizziri/spree,nooysters/spree,dotandbo/spree,project-eutopia/spree,rakibulislam/spree,beni55/spree,alejandromangione/spree,lyzxsc/spree,SadTreeFriends/spree,welitonfreitas/spree,softr8/spree,Boomkat/spree,lsirivong/spree,builtbybuffalo/spree,welitonfreitas/spree,delphsoft/spree-store-ballchair,omarsar/spree,net2b/spree,maybii/spree,forkata/solidus,ckk-scratch/solidus,odk211/spree,Arpsara/solidus,robodisco/spree,shekibobo/spree,nooysters/spree,Boomkat/spree,raow/spree,progsri/spree,scottcrawford03/solidus,Kagetsuki/spree,hifly/spree,Nevensoft/spree,cutefrank/spree,jhawthorn/spree,pjmj777/spree,mleglise/spree,camelmasa/spree,thogg4/spree,softr8/spree,adaddeo/spree,sfcgeorge/spree,RatioClothing/spree,sunny2601/spree,vcavallo/spree,AgilTec/spree,groundctrl/spree,carlesjove/spree,DarkoP/spree,jeffboulet/spree,shioyama/spree,derekluo/spree,vmatekole/spree,shekibobo/spree,TrialGuides/spree,omarsar/spree,jspizziri/spree,radarseesradar/spree,shaywood2/spree,Mayvenn/spree,tomash/spree,lyzxsc/spree,rakibulislam/spree,agient/agientstorefront,sliaquat/spree,rbngzlv/spree,moneyspyder/spree,watg/spree,siddharth28/spree,vinayvinsol/spree,SadTreeFriends/spree,Engeltj/spree,archSeer/spree