The online email marketing tool Mailchimp has just got even better. It now integrates with WordPress, Twitter and Salesforce so you can now easily build you mailing lists automatically.

MailChimp allows user to build mailing lists, design email campaigns, send and analyse the results from on online console. OK so there lots of products that are doing the same but these guys seem to be leading the way.

MailChimp is also free up 500 subscribers and 3000 emails per month.

For Worpress users you can install the Mailchip plugin and quickly and easily add your MailChimp signup form to your site!