印度客户都是大骗子么，发了一封发信直接就问我要免费样品？

首先，我理解您对这个邮件的担忧。在国际贸易中，会遇到各种各样的买家。虽然不是所有的印度客户都是骗子，但是需要保持警惕并采取适当的预防措施是明智的选择。

针对您所收到的邮件，您可以回复以下内容：

"Thank you for your interest in our electronic paste. However, before we proceed with sending any samples, we would like to clarify a few details. Could you please provide more specific information about your requirements and how our product would be used in your application? Additionally, please let us know your company's details, such as your registered business name, address, and contact information. This is to ensure that we are dealing with a legitimate business.

Once we have received the necessary information and determined the suitability of our product for your needs, we can discuss the possibility of providing samples. Please understand that samples are not typically provided for free, but we can discuss the terms and conditions further.

Thank you for your understanding."

通过这样的回复，您既表示了对买家的关注和回应，同时也要求对方提供更多的具体信息以确保您与一家合法的企业进行业务往来。在进一步探讨和发送样品之前，这些信息对于您的决策和交流非常重要。

请记住，不论与哪个国家的客户打交道，都应保持谨慎。建议您在与潜在买家进行业务往来之前进行尽职调查，确保与可靠和合法的合作伙伴交流。