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71 lines
2.4 KiB
71 lines
2.4 KiB
from socket import *
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from base64 import *
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mailfrom = "mail from:2@test.com\r\n"
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rcptto = "rcpt to:1@test.com\r\n"
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data = "data\r\n"
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quitmsg = "quit\r\n"
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# 填写代码使程序发送的邮件中包含内容为 "Hello World!"。
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msg = "Hello World!"
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endmsg = "\r\n.\r\n"
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#本地搭建的邮件服务器IP地址。
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mailserver = 'localhost'
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# 在端口25上启动邮件服务器。
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mailport = 25
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connectaddress = (mailserver, mailport)
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# 创建 socket 和邮件服务器建立 TCP 连接。
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clientSocket = socket(AF_INET, SOCK_STREAM)
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clientSocket.connect(connectaddress)
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recv = clientSocket.recv(1024)
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if recv.decode()[:3] != '220':
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print ('220 reply not received from server.')
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# 发送 HELO 命令，打印服务器响应。
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heloCommand = 'HELO Alice\r\n'
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clientSocket.send(bytes(heloCommand.encode()))
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recv1 = clientSocket.recv(1024)
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if recv1.decode()[:3] != '250':
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print ('250 reply not received from server.')
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#发送登陆认证信息
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login = b'auth login\r\n'
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clientSocket.send(login)
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recv2 = clientSocket.recv(1024).decode('utf-8')
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print ('登陆认证',recv2)
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#发送用户名
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userCommand = b64encode('2@test.com'.encode('utf-8'))
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clientSocket.send((str(userCommand,encoding='utf-8')+'\r\n').encode())
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recv3 = clientSocket.recv(1024).decode('utf-8')
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print ('用户名',recv3)
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#发送密码
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password = b64encode('2'.encode('utf-8'))
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clientSocket.send((str(password,encoding='utf-8')+'\r\n').encode())
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recv4 = clientSocket.recv(1024).decode('utf-8')
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print ('密码',recv4)
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# 发送 MAIL FROM 命令，打印服务器响应。
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clientSocket.send(bytes(mailfrom.encode()))
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check = clientSocket.recv(1024)
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print(check)
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# 发送 RCPT TO 命令，打印服务器响应。
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clientSocket.send(bytes(rcptto.encode()))#将RCPT发送到命令和打印服务器响应。
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check1 = clientSocket.recv(1024)
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print(check1)
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# 发送 DATA 命令，打印服务器响应。
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clientSocket.send(bytes(data.encode()))#发送数据命令和打印服务器响应。
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check2 = clientSocket.recv(1024)
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print(check2)
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# 发送邮件内容。消息以单个"." 结束。
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clientSocket.send(bytes((mailfrom+msg+endmsg).encode()))#发送消息数据。
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check3 = clientSocket.recv(1024)
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print(check3)
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# 发送 QUIT 命令，获取服务器响应。
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clientSocket.send(bytes(quitmsg.encode()))
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check4 = clientSocket.recv(1024)
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print(check4)
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clientSocket.close() |