系統：Win10
Python版本：3
1.首先搜索smtplib相關模塊
C:\Users\HU>pip search smtplib
pycopy-smtplib (0.0.1) - Dummy smtplib module for Pycopy
micropython-smtplib (0.0.1) - Dummy smtplib module for MicroPython
secure-smtplib (0.1.1) - Secure SMTP subclasses for Python 2
smtplibaio (2.1.2.post1) - An async version of smtplib
easyemail (0.4.0) - Simple lib abstracting email sending with smtplib.
mailclient (0.2.0) - Simplified use of smtplib for Python. Easy email sending.
xsmtplib (1.0.1.dev0) - An extension of standard smtplib, which supports proxy tunneling
PyEmail (0.0.1) - Python library to send emails using SMTPLIB library
INSTALLED: 0.0.1 (latest)
personal (0.1.1) - Easy, secure self notification via email and sms, using smtplib and twilio
py-emails (1.1.0) - Simple wrapper around email and smtplib for composing and sending email messages in an
intuitive, simple interface.
drymail (0.0.6) - Drymail is a minimalist wrapper over Python’s existing smtplib and email
libraries, designed to be friendly but unrestrictive.
ld-smtp (1.0.2) - Este modulo ira realizar o envio de e-mail utilizando o smtplib.
2.安裝，這里一般用py-emails
C:\Users\HU>pip install py-emails