Python套接字smtp程序在请求usernam后挂起

Question

所以我在做smtp套接字程序。我用的是gmail smtp。我面临的身份验证问题，因为我的代码挂起后，服务器要求我的用户名。下面是我的身份验证码

auth = 'AUTH LOGIN\r\n'
clientSocketSSL.send(auth.encode())
recv1 = clientSocketSSL.recv(1024).decode()
print(recv1)
if recv1[:3] != '334':
   print('334 reply not received from server')

username = base64.b64encode(b'******@gmail.com\r\n')
clientSocketSSL.send(username)
recv1 = clientSocketSSL.recv(1024).decode()
print(recv1)
if recv1[:3] != '334':
   print('334 reply not received from server')

password = base64.b64encode(b'*******\r\n')
clientSocketSSL.send(password)
recv1 = clientSocketSSL.recv(1024).decode()
print(recv1)
if recv1[:3] != '235':
   print('235 reply not received from server')

Answer 1

您不应该在用base64编码的字符串中包含\r\n。它需要在base64编码的用户名或密码之后发送

username = base64.b64encode(b'******@gmail.com\r\n')
clientSocketSSL.send((username + '\r\n'));