Method for email testing

Question

I am writing a program that will be emailing reports out many (~100) clients which I want to test before I spam everyone.

I want to do a test run against my producti

Answer 1

In java you can use dumbster

Its easy to use and you can validate every aspect of the email you are intercepting.

It's a Java SMTP server implementation meant for unit testing. (Just make sure you redirect your email to the machine running dumbster...)

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I just found another alternative that do almost the same: Greenmail

Greenmail also support POP3, IMAP with SSL so you can test your client against it.