rem: saveSmtpSettings(null); 
add: var defaultSmtpServer = null; try { defaultSmtpServer = smtpService.defaultServer; } catch (ex) { defaultSmtpServer = null; } saveSmtpSettings(defaultSmtpServer); 
context: function onSave(){    saveSmtpSettings(null);}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/22a00f2ffb49110e8a9cbb998720b84e7d7bd03e/am-smtp.js/clean/mailnews/base/prefs/resources/content/am-smtp.js