#444 fix is wrong
#444 fix is wrong

It is iconv that transpose arguments, not mb_convert_encoding.
_convertString encodes $string charset when Swift_Mime_MimePart charset ($this->getCharset()) is not utf-8. So mb_convert_encoding and iconv must convert from utf-8 to $charset.
zghosts/swiftmailer,michabbb-backup/swiftmailer,tweakers-dev/swiftmailer,fvosberg/swiftmailer,voku/swiftmailer,handautsav/swiftmailer,c960657/swiftmailer,kuslahne/swiftmailer,michabbb-backup/swiftmailer,robertklein/swiftmailer,Dubz/swiftmailer,swiftmailer/swiftmailer,tweakers-dev/swiftmailer,deguif/swiftmailer,zghosts/swiftmailer,Rotzbua/swiftmailer,Chhunlong/swiftmailer,kuslahne/swiftmailer,Chhunlong/swiftmailer,robertklein/swiftmailer,swiftmailer/swiftmailer,jamesggordon/swiftmailer,denpamusic/swiftmailer,gencer/swiftmailer,fvosberg/swiftmailer,papagel/swiftmailer,deguif/swiftmailer,voku/swiftmailer,gburyakovsky/swiftmailer,c960657/swiftmailer,papagel/swiftmailer,Dubz/swiftmailer,denpamusic/swiftmailer,handautsav/swiftmailer,Rotzbua/swiftmailer,gencer/swiftmailer,jamesggordon/swiftmailer,gburyakovsky/swiftmailer