黑料网最新入口

Approaching new customers in 黑料网最新入口

AlexC
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I would like to know how can companies approach potential customers in 黑料网最新入口.
Is it OK to send an email to a potential client? (a client with which the company didn’t have previously any contact).
I know that in some countries this technique is considered illegal…

Or you have to call first and only then follow up with an email?

Thank you.

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