分别尝试了多个 to 和多个 cc，效果很好，但是当我尝试两者时，出现错误：
文件
“path\Continuum\anaconda2\envs\mypython\lib\smtplib.py”，第 870 行，在 sendmail senderrs[each] = (code, resp) TypeError: unhashable type: 'list'"
代码：
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.image import MIMEImage
from email.mime.application import MIMEApplication
strFrom = 'fasdf@dfs.com'
cc='abc.xyz@dfa.com, sdf.xciv@lfk.com'
to='sadf@sdfa.com,123.lfadf@fa.com'
msg = MIMEMultipart('related')
msg['Subject'] = 'Subject'
msg['From'] = strFrom
msg['To'] =to
msg['Cc']=cc
#msg['Bcc']= strBcc
msg.preamble = 'This is a multi-part message in MIME format.'
msgAlternative = MIMEMultipart('alternative')
msg.attach(msgAlternative)
msgText = MIMEText('This is the alternative plain text message.')
msgAlternative.attach(msgText)
msgText = …