What is the best Web Service to validate EMail addresses?

[Raalnan5]

I tried using CDyne.com, but it stopped working after 300 addresses. The customer service for the company is absent, they don't answer emails, and they charge $100 a pop for phone conversations.

[buyyourall5]

这是新加的空白文章2，可以在ubb可视化编辑器中，添加和修改文章内容。