Email On Acid is such a email marketing service. Users can use it to simulate sending out and receiving emails in its interface. The major benefit of this service is that the email marketer (or webmaster who is sending out newsletters) can fully test the newsletter in various email clients including Gmail, Yahoo Mail, Thunderbird, Microsoft Outlook or Windows Mail without leaving the website once.

The marketing emails can be added as urls or pasted with their html code. Email on Acid will then parse the email and display a tabbed interface that is displaying the email in the various email clients and services.

HTML emails are displayed by default. It is possible to switch to text mode which simulates the email in clients that do not support html or have html emails disabled. The email marketing service will also perform a code analysis of the html code. Code that is not supported by html emails is displayed in red which can be used to quickly fix html emails before they are send out.

Users who want to make use of Email On Acid need to create a free account at the website.

via Instant Fundas