SMTP 请求方式

          S: 220 EngageLab Inbound Server ESMTP Haraka 2.2.4 ready

C: ehlo ifaxin.com

S: 250-EngageLab Inbound Server Hello, Haraka is at your service.
S: 250-PIPELINING
S: 250-8BITMIME
S: 250-SIZE 16000000
S: 250 AUTH LOGIN

C: AUTH LOGIN base64(api_user)

S: 334 UGFzc3dvcmQ6

C: base64(api_key)

S: 235 Authentication successful

C: mail FROM:<support@engagelab.com>

S: 250 sender <support@engagelab.com> OK

C: rcpt TO:<ben@ifaxin.com>

S: 250 recipient <ben@ifaxin.com> OK

C: data

S: 354 go ahead, make my day

C: ... ...
C: .

S: 250 #1426390015358_15_6484_8661.sc-10_10_127_51-inbound#Queued

C: quit

S: 221 EngageLab Inbound Server closing connection. Have a jolly good day

        

          S: 250-EngageLab Inbound Server Hello, Haraka is at your service.
S: 250-PIPELINING
S: 250-8BITMIME
S: 250-SIZE 16000000
S: 250-STARTTLS
S: 250 AUTH LOGIN

C: AUTH LOGIN base64(api_user)

        

          S: 250-EngageLab Inbound Server Hello, Haraka is at your service.
S: 250-PIPELINING
S: 250-8BITMIME
S: 250-SIZE 16000000
S: 250-STARTTLS
S: 250 AUTH LOGIN

C: AUTH LOGIN base64(api_user + '#' + label_id)

        

          # 不使用标签接入：
s = SMTP('%s:%d' % (HOST, PORT))
s.set_debuglevel(DEBUG_MODE)
if USE_SSL:
    s.starttls()
s.login(API_USER, API_KEY)

# 使用标签接入：
s = SMTP('%s:%d' % (HOST, PORT))
s.set_debuglevel(DEBUG_MODE)
if USE_SSL:
    s.starttls()
s.login(API_USER + '#' + label_id, API_KEY)

        

          from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.image import MIMEImage
import smtplib

class MyEmail:
    def __init__(self):
        self.smtp = smtplib.SMTP()
        self.login_username = 'postmaster@testdomain'
        self.login_password = '*****'
        self.sender = 'postmaster@testdomain'    # same as login_username
        self.receiver = 'test123@qq.com'
        self.host = 'smtp.engagelab.net'
        self.port = 25

    def connect(self):
        self.smtp.connect(self.host)

    def login(self):
        self.smtp.login(self.login_username, self.login_password)

    def send(self):
        msg = MIMEMultipart('related')
        msg['From'] = self.sender
        msg['To'] = self.receiver
        email_title = 'python test inline image'
        msg['Subject'] = email_title
        content = MIMEText('test image content <img src="cid:image1" alt="xxxxx">', 'html', 'utf-8')
        msg.attach(content)

        fp = open('./test.png','rb')
        img = MIMEImage(fp.read())
        img.add_header('Content-ID','image1') #the value of content-id is the cid in html
        msg.attach(img)

        self.smtp.sendmail(self.sender, self.receiver, msg.as_string())

    def quit(self):
        self.smtp.quit()

def send():
    myemail = MyEmail()
    myemail.connect()
    myemail.login()
    myemail.send()
    myemail.quit()

if __name__ == "__main__":
    send()

        

          props.setProperty("mail.smtp.starttls.enable", "true");