Web Reference: SMTP：用来发邮件的（在RFC上代号2821） IMAP：用来收邮件的（在RFC上代号1730） 还有一个POP3协议，也是用来收邮件的， 是IMAP协议的前身，但支持功能较少，现在基本没用了。 每个协议都包括很多规定，但这些是程序员需要处理的事情了，题主不用关心。 SMTP命令：QUIT 这一步非常简单，就是发送一条QUIT命令，QUIT命令发送完毕后，还是要判断服务器的返回码是否为250。 如果返回的不是，则表明发送失败，SMTP服务器可能不会将邮件转发到收件人所在的邮箱中，这一点很重要。 至此，整个SMTP协议介绍完毕。 Mar 23, 2026 · If your organization uses Microsoft Exchange or another SMTP service or server, you can set up the SMTP relay service to route outgoing mail through Google. You can use it to: Filter messages for spam and viruses before they reach external recipients Apply email security and advanced Gmail settings to outgoing messages Important: Google Workspace SMTP relay is intended for on-premise devices ...
YouTube Excerpt: POP
Net Worth Profile Overview
Smtp Vs Pop3 Vs Imap Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $52M - $78M
Salary & Income Sources
Career Highlights & Achievements
Assets, Properties & Investments
This section covers known assets, real estate holdings, luxury vehicles, and investment portfolios. Data is compiled from public records, financial disclosures, and verified media reports.
Last Updated: April 1, 2026
Net Worth Outlook & Future Earnings
Disclaimer: Disclaimer: Net Worth estimates are based on publicly available data, media reports, and financial analysis. Actual numbers may vary.