esp32 smtp发送邮件micropython

仅个人记录用：
基于micropython 实现邮件发送。
163邮箱好像不行，微软邮箱实验成功
代码如下：
下方位umail.py文件，保存与程序同一文件夹

# uMail (MicroMail) for MicroPython
# Copyright (c) 2018 Shawwwn <shawwwn1@gmai.com>
# License: MIT
import usocketDEFAULT_TIMEOUT = 10 # sec
LOCAL_DOMAIN = '127.0.0.1'
CMD_EHLO = 'EHLO'
CMD_STARTTLS = 'STARTTLS'
CMD_AUTH = 'AUTH'
CMD_MAIL = 'MAIL'
AUTH_PLAIN = 'PLAIN'
AUTH_LOGIN = 'LOGIN'class SMTP:def cmd(self, cmd_str):sock = self._sock;sock.write('%s\r\n' % cmd_str)resp = []next = Truewhile next:code = sock.read(3)next = sock.read(1) == b'-'resp.append(sock.readline().strip().decode())return int(code), respdef __init__(self, host, port, ssl=False, username=None, password=None):import usslself.username = usernameaddr = usocket.getaddrinfo(host, port)[0][-1]sock = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM)sock.settimeout(DEFAULT_TIMEOUT)sock.connect(addr)if ssl:sock = ussl.wrap_socket(sock)code = int(sock.read(3))sock.readline()assert code==220, 'cant connect to server %d, %s' % (code, resp)self._sock = sockcode, resp = self.cmd(CMD_EHLO + ' ' + LOCAL_DOMAIN)assert code==250, '%d' % codeif CMD_STARTTLS in resp:code, resp = self.cmd(CMD_STARTTLS)assert code==220, 'start tls failed %d, %s' % (code, resp)self._sock = ussl.wrap_socket(sock)if username and password:self.login(username, password)def login(self, username, password):self.username = usernamecode, resp = self.cmd(CMD_EHLO + ' ' + LOCAL_DOMAIN)assert code==250, '%d, %s' % (code, resp)auths = Nonefor feature in resp:if feature[:4].upper() == CMD_AUTH:auths = feature[4:].strip('=').upper().split()assert auths!=None, "no auth method"from ubinascii import b2a_base64 as b64if AUTH_PLAIN in auths:cren = b64("\0%s\0%s" % (username, password))[:-1].decode()code, resp = self.cmd('%s %s %s' % (CMD_AUTH, AUTH_PLAIN, cren))elif AUTH_LOGIN in auths:code, resp = self.cmd("%s %s %s" % (CMD_AUTH, AUTH_LOGIN, b64(username)[:-1].decode()))assert code==334, 'wrong username %d, %s' % (code, resp)code, resp = self.cmd(b64(password)[:-1].decode())else:raise Exception("auth(%s) not supported " % ', '.join(auths))assert code==235 or code==503, 'auth error %d, %s' % (code, resp)return code, respdef to(self, addrs, mail_from=None):mail_from = self.username if mail_from==None else mail_fromcode, resp = self.cmd(CMD_EHLO + ' ' + LOCAL_DOMAIN)assert code==250, '%d' % codecode, resp = self.cmd('MAIL FROM: <%s>' % mail_from)assert code==250, 'sender refused %d, %s' % (code, resp)if isinstance(addrs, str):addrs = [addrs]count = 0for addr in addrs:code, resp = self.cmd('RCPT TO: <%s>' % addr)if code!=250 and code!=251:print('%s refused, %s' % (addr, resp))count += 1assert count!=len(addrs), 'recipient refused, %d, %s' % (code, resp)code, resp = self.cmd('DATA')assert code==354, 'data refused, %d, %s' % (code, resp)return code, respdef write(self, content):self._sock.write(content)def send(self, content=''):if content:self.write(content)self._sock.write('\r\n.\r\n') # the five letter sequence marked for endingline = self._sock.readline()return (int(line[:3]), line[4:].strip().decode())def quit(self):self.cmd("QUIT")self._sock.close()

下方为验证程序，包含wifi连接

# -*- coding: utf-8 -*-
import umail
import time
import machine
from machine import Pin
import network
try:import usocket as socket
except:import socket
import esp
esp.osdebug(None)
import gc
gc.collect()led = machine.Pin(2,machine.Pin.OUT)
io19 = Pin(19, Pin.IN)
sent_flag = 0#下面五个参数使用时修改成自己的，本例程中邮箱使用微软Hotmail邮箱，其他邮箱未经测试
wifi_ssid ="abc"#本地wifi的ssid名称
wifi_password ='13734606258'      #本地wifi的密码myusername = 'zzwceshi@hotmail.com'  #发送端邮箱地址
mypassword = 'a1473698'           #发送端邮箱密码
target_email = '1482847564@qq.com'#接收端邮箱地址SMTP_SERVER   = 'smtp.office365.com'  #hotmail的smtp服务器地址
SMTP_SERVER_PORT   = 587                    #hotmail的smtp服务器端口#连接本地wifi
def connect_wifi():wlan = network.WLAN(network.STA_IF)wlan.active(True)if not wlan.isconnected(): print("scaning......")       all_ssid=str(wlan.scan())if all_ssid.count(wifi_ssid)>0:print('connecting to:', wifi_ssid)   else:print("not found AP")try:wlan.connect('abc', '13734606258')time.sleep(3)except Exception as e:raise eif wlan.isconnected():pass  else:print("connect wlan fail!!!")while not wlan.isconnected():print("reconnect......")wlan.connect(wifi_ssid, wifi_password)if wlan.isconnected():pass  else:time.sleep(10)print('network config:', wlan.ifconfig())def callback(p):global sent_flagif(io19.value()==1):time.sleep_ms(300)if(io19.value()==1):print("door open")led.value(1)sent_flag = 1connect_wifi()
sent_flag = 1
while(True):if(sent_flag == 1):try:print("door open")smtp = umail.SMTP(SMTP_SERVER, SMTP_SERVER_PORT)smtp.login(myusername, mypassword)smtp.to(target_email)smtp.write("From: Devices<"+myusername+">\r\n")  #windows服务器不能单独识别\n  所以加上\rsmtp.write("To: You<"+target_email+">\r\n")      #如果出现报错可以尝试把\r\n换成\nsmtp.write("Subject: WARNING!!!\r\n\n")smtp.write("苏乐乐大伞兵.\r\n")smtp.send()smtp.quit()print("Email was sent successfully!")led.value(0)except Exception as e:print("ERROR!!!")raise e

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esp32 smtp发送邮件micropython

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