rem: void setMailingListPostAddress(const QString &address) { mMailingListPostingAddress = address; writeConfig(); }
add: void KMFolder::setMailingListPostAddress( const QString& address ) { mMailingListPostingAddress = address; mStorage->writeConfig(); }
context:   void setMailingListPostAddress(const QString &address)  { mMailingListPostingAddress = address; writeConfig(); }