289 def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True):  argument
326         raw += LookupEmail(item, alias, raise_on_error=raise_on_error)
336         self_only=False, alias=None, in_reply_to=None, thread=False):  argument
392     to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error)
404                         '--cc', alias, raise_on_error)
406         to = BuildEmailList([os.getenv('USER')], '--to', alias, raise_on_error)
428 def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0):  argument
481     if not alias:
482         alias = settings.alias
500         if not lookup_name in alias:
507         for item in alias[lookup_name]:
508             todo = LookupEmail(item, alias, raise_on_error, level + 1)