Working on a new article on Adviso blog (scheduled for Thursday), I have just found this very useful online tool: Email on Acid allows you to test a newsletter in 9 most used webmails, including Windows Live, Outlook and Yahoo Mail. It is free, you only have to register to be able to run a test. The test requires either the URL of the email or its HTML code (which basically means we could test other companies newsletters too, which of course I did). Coming soon on Adviso: the answer to the famous question « How wide should my email be? »

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