Update MailingList module version 5.3.0 rev.080624 to version 5.3.0 rev.081013

Valid for Sitecore 6.0.0

1. Update MailingList module version 5.3.0 rev.080624 to version 5.3.0 rev.081013

Upgrade Instructions.
1. Install the module package.
2. Choose Skip for all items if prompted.
3. Perform a republishing and test the site.