发送电子邮件失败并提示“没有收件人”通常意味着在尝试发送邮件的过程中,邮件系统没有找到有效的收件人地址。这可能是由于以下几个原因:
@
符号或域名部分。确保邮件发送成功的关键在于:
这个问题属于邮件发送错误类型,具体是收件人地址错误。
这种问题通常出现在以下场景:
@
符号或域名部分。example@example.com
。以下是一个简单的Python示例,演示如何验证收件人地址并发送邮件:
import smtplib
from email.mime.text import MIMEText
import re
def is_valid_email(email):
email_regex = r'^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$'
return re.match(email_regex, email) is not None
def send_email(sender, recipient, subject, body):
if not is_valid_email(recipient):
raise ValueError("Invalid recipient email address")
msg = MIMEText(body)
msg['Subject'] = subject
msg['From'] = sender
msg['To'] = recipient
try:
smtp_server = smtplib.SMTP('smtp.example.com', 587)
smtp_server.starttls()
smtp_server.login(sender, 'password')
smtp_server.sendmail(sender, recipient, msg.as_string())
smtp_server.quit()
print("Email sent successfully")
except Exception as e:
print(f"Failed to send email: {e}")
# 示例调用
sender = 'your_email@example.com'
recipient = 'recipient_email@example.com'
subject = 'Test Email'
body = 'This is a test email.'
send_email(sender, recipient, subject, body)
通过以上方法,可以有效解决“发送电子邮件失败:没有收件人”的问题。
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