发送邮件 打印详细的连接过程

import time
import smtplib
import sys

# 465端口发信
def sendMailSSL(mail_sender, mail_passwd, mail_rcpts, rcpt_host):
    print(mail_sender)
    print(mail_passwd)
    print(mail_rcpts)
    print(rcpt_host)
    is_conn_timout = False
    to_mx = rcpt_host + ":465"
    helo_domain = mail_sender.split('@')[1]
    msg = '''
    From: {fromaddr}
    To: {toaddr}
    Subject: coremail SA team testing'
    This is not a fraud, so Don't panic     
    I can't send email to you ,so I try do some test
    Please dont reply this mail , and 
    So Long, and Thanks for All the Fish
    .
    '''
    msg = msg.format(fromaddr=mail_sender, toaddr=mail_rcpts)
    time_begin_conn = time.time()
    try:
        server = smtplib.SMTP_SSL(to_mx, timeout=180)
        time_end_conn = time.time()
    except Exception as e:
        print("连接收信方MX失败： %s" % str(e))
        sys.exit(1)
    server.set_debuglevel(1)
    time_begin_ehlo = time.time()
    server.ehlo(helo_domain)
    time_begin_mail_from = time.time()
    #server.starttls()
    server.login(mail_sender, mail_passwd)   # 认证阶段
    server.mail(mail_sender)  # mail from阶段
    time_begin_rcpt = time.time()
    server.rcpt(mail_rcpts)  # rcpt 阶段
    time_begin_data = time.time()
    try:
        server.data(msg)
        # time_end_data = time.time()
    except Exception as e:
        print("mail cmd DATA failed:" + str(e))
        # time_end_data = time.time()
        is_conn_timout = True
        # server.close()
    time_end_data = time.time()
    if not is_conn_timout:
        server.quit()
    time_end_all = time.time()
    print("连接MX %s 阶段用时：%fs" % (str(rcpt_host), time_end_conn - time_begin_conn))
    print("HELO阶段用时：%fs" % (time_begin_mail_from - time_begin_ehlo))
    print("MAIL FROM 阶段用时：%fs" % (time_begin_rcpt - time_begin_mail_from))
    print("MAIL RCPT 阶段用时：%fs" % (time_begin_data - time_begin_rcpt))
    print("MAIL DATA 阶段用时：%fs" % (time_end_data - time_begin_data))
    print("整个发信用时： %fs" % (time_end_all - time_begin_conn))

# 25端口发信
def sendMailTest(mail_sender, mail_passwd, mail_rcpts, rcpt_host):
    print(mail_sender)
    print(mail_passwd)
    print(mail_rcpts)
    print(rcpt_host)
    is_conn_timout = False
    to_mx = rcpt_host + ":25"
    helo_domain = mail_sender.split('@')[1]
    msg = '''
    From: {fromaddr}
    To: {toaddr}
    Subject: coremail SA team testing'
    This is not a fraud, so Don't panic     
    I can't send email to you ,so I try do some test
    Please dont reply this mail , and 
    So Long, and Thanks for All the Fish
    .
    '''
    msg = msg.format(fromaddr=mail_sender, toaddr=mail_rcpts)
    time_begin_conn = time.time()
    try:
        server = smtplib.SMTP(to_mx, timeout=180)
        time_end_conn = time.time()
    except Exception as e:
        print("连接收信方MX失败： %s" % str(e))
        sys.exit(1)
    server.set_debuglevel(1)
    time_begin_ehlo = time.time()
    server.ehlo(helo_domain)
    time_begin_mail_from = time.time()
    server.starttls()
    server.login(mail_sender, mail_passwd)   # 认证阶段
    server.mail(mail_sender)  # mail from阶段
    time_begin_rcpt = time.time()
    # for username in mail_rcpts:
    server.rcpt(mail_rcpts)  # rcpt 阶段
    time_begin_data = time.time()
    try:
        server.data(msg)
        # time_end_data = time.time()
    except Exception as e:
        print("mail cmd DATA failed:" + str(e))
        # time_end_data = time.time()
        is_conn_timout = True
        # server.close()
    time_end_data = time.time()
    if not is_conn_timout:
        server.quit()
    time_end_all = time.time()
    print("连接MX %s 阶段用时：%fs" % (str(rcpt_host), time_end_conn - time_begin_conn))
    print("HELO阶段用时：%fs" % (time_begin_mail_from - time_begin_ehlo))
    print("MAIL FROM 阶段用时：%fs" % (time_begin_rcpt - time_begin_mail_from))
    print("MAIL RCPT 阶段用时：%fs" % (time_begin_data - time_begin_rcpt))
    print("MAIL DATA 阶段用时：%fs" % (time_end_data - time_begin_data))
    print("整个发信用时： %fs" % (time_end_all - time_begin_conn))

def main():
    mail_from = "[email protected]"
    mail_passwd = "1"
    mail_to = "[email protected]"
    mx_host = "192.168.213.187"
    # 25端口发信
    #sendMailTest(mail_sender=mail_from, mail_passwd=mail_passwd, mail_rcpts=mail_to, rcpt_host=mx_host)
    # 465端口发信
    sendMailSSL(mail_sender=mail_from, mail_passwd=mail_passwd, mail_rcpts=mail_to, rcpt_host=mx_host)
if __name__ == "__main__":
    main()