代码示例：（Python）

import re import socket import smtplib

def validate_email(email): # Using regex to extract email domain email_regex = r'^[a-zA-Z0-9._%+-]+@([a-zA-Z0-9.-]+.[a-zA-Z]{2,})$' match = re.match(email_regex, email) if match: email_domain = match.group(1) # Using socket to get current domain's hostname current_domain = socket.gethostname() # Checking if email domain matches current domain if email_domain == current_domain: # Sending email if the email domain matches current domain smtp_server = smtplib.SMTP('smtp.gmail.com', 587) smtp_server.starttls() smtp_server.login('sender_email@gmail.com', 'sender_password') smtp_server.sendmail('sender_email@gmail.com', 'receiver_email@gmail.com', 'Test email') smtp_server.quit() print('Email sent') else: print('Email domain does not match current domain') else: print('Invalid email format')

Example usage

validate_email('example_user@example_domain.com')