server = authInfo.get('server')
user = authInfo.get('user')
passwd = authInfo.get('password')
if not (server and user and passwd) :
print 'incomplete login info, exit now'
return
# 设定root信息
msgRoot = MIMEMultipart('related')
msgRoot['Subject'] = subject
msgRoot['From'] = strFrom
#msgRoot['To'] = strTo
msgRoot['To'] = COMMASPACE.join(toAdd)
msgRoot.preamble = 'This is a multi-part message in MIME format.'
# Encapsulate the plain and HTML versions of the message body in an
# 'alternative' part, so message agents can decide which they want to display.
msgAlternative = MIMEMultipart('alternative')
msgRoot.attach(msgAlternative)