ios mobile application development, call the system to send messages. The simulator can not send. Real test is required

MailComposer_new
................\.DS_Store
__MACOSX
........\MailComposer_new
........\................\._.DS_Store
MailComposer_new\Classes
................\.......\MailComposerAppDelegate.h
__MACOSX\MailComposer_new\Classes
........\................\.......\._MailComposerAppDelegate.h
MailComposer_new\Classes\MailComposerAppDelegate.m
__MACOSX\MailComposer_new\Classes\._MailComposerAppDelegate.m
MailComposer_new\Classes\MailComposerViewController.h
__MACOSX\MailComposer_new\Classes\._MailComposerViewController.h
MailComposer_new\Classes\MailComposerViewController.m
__MACOSX\MailComposer_new\Classes\._MailComposerViewController.m
........\................\._Classes
MailComposer_new\en.lproj
................\........\MailComposerViewController.xib
__MACOSX\MailComposer_new\en.lproj
........\................\........\._MailComposerViewController.xib
MailComposer_new\en.lproj\MainWindow.xib
__MACOSX\MailComposer_new\en.lproj\._MainWindow.xib
........\................\._en.lproj
MailComposer_new\images
................\......\Icon-72.png
__MACOSX\MailComposer_new\images
........\................\......\._Icon-72.png
MailComposer_new\images\Icon-Small-50.png
__MACOSX\MailComposer_new\images\._Icon-Small-50.png
MailComposer_new\images\Icon-Small.png
__MACOSX\MailComposer_new\images\._Icon-Small.png
MailComposer_new\images\Icon-Small@2x.png
__MACOSX\MailComposer_new\images\._Icon-Small@2x.png
MailComposer_new\images\Icon.png
__MACOSX\MailComposer_new\images\._Icon.png
MailComposer_new\images\Icon@2x.png
__MACOSX\MailComposer_new\images\._Icon@2x.png
MailComposer_new\images\iTunesArtwork.png
__MACOSX\MailComposer_new\images\._iTunesArtwork.png
MailComposer_new\images\rainy.png
__MACOSX\MailComposer_new\images\._rainy.png
........\................\._images
MailComposer_new\MailComposer-Info.plist
__MACOSX\MailComposer_new\._MailComposer-Info.plist
MailComposer_new\MailComposer.xcodeproj
................\......................\lindaouandji.mode1v3
__MACOSX\MailComposer_new\MailComposer.xcodeproj
........\................\......................\._lindaouandji.mode1v3
MailComposer_new\MailComposer.xcodeproj\project.pbxproj
__MACOSX\MailComposer_new\MailComposer.xcodeproj\._project.pbxproj
MailComposer_new\MailComposer.xcodeproj\project.xcworkspace
................\......................\...................\contents.xcworkspacedata
................\......................\...................\xcuserdata
................\......................\...................\..........\tagux-mac-04.xcuserdatad
................\......................\...................\..........\........................\UserInterfaceState.xcuserstate
................\......................\xcuserdata
................\......................\..........\tagux-mac-04.xcuserdatad
................\......................\..........\........................\xcschemes
................\......................\..........\........................\.........\MailComposer.xcscheme
................\......................\..........\........................\.........\xcschememanagement.plist
................\MailComposer_Prefix.pch
__MACOSX\MailComposer_new\._MailComposer_Prefix.pch
MailComposer_new\main.m
__MACOSX\MailComposer_new\._main.m
MailComposer_new\ReadMe.txt
__MACOSX\MailComposer_new\._ReadMe.txt
........\._MailComposer_new

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