What is best jar provider for sending best mails using Java. Who gives the API
I want to write a professional mail application and want to use the API should I go for the java provided API or any other third party APIs are available to be used. 

Please suggest.
What is best jar provider for sending best mails using Java. Who gives the API
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I want to write a professional mail application and want to use the API should I go for the java provided API or any other third party APIs are available to be used. 

Please suggest.