poMMo is versatile mass mailing software. It can be used to add a mailing list to your Web site or to organize stand alone mailings. Unique Features such as the ability to mail subsets of your subscribers set it apart from alternatives.Features:EASY TO USE - Subscription FormpoMMo has consistently been developed with ease of use in mind. The user should feel at ease from installation to administration. - Simple 2 minute web based installation -- no "CRON" - Per Page Support Documentation with user contributed notes - Easy creation of subscriber groups - Quickly Import and Export your subscriber base - WYSIWYG HTML Mailing Creation - Compatible with all common web hosts - Intuitive Dialogs - Drag and Drop Field Ordering COMPLETELY CUSTOMIZABLE - Group CreationpoMMo is perhaps the most flexible list manager in existence. - Flexible collection of subscriber data through user defined "fields" - Easily match the look of the subscription form to your website, or embed it in a existing page - Themeable, Brandable - Look and Feel controlled by SMARTY template files - Localized in over 10 languages - Limit the sending of mails -- Throttle by hour, bytes, and domain limits. - Messages (or redirect URL) on subscriber "subscription", "unsubscription", and "update" are easily changed POWERFUL - Throttle ControllerpoMMo is not your ordinary list software. - Revolutionary AJAX based subscriber Management - Create and mail subgroups of your subscribers based off their field values - Personalize Mailings -- e.g. Say "Dear Susan" vs. "Dear Subscriber" - View and Reload sent mailings from the Mailing History page - Get a list of sent, unsent, and failed recipients during a mailing - Mailings can be paused, resumed, and canceled "live" - Mailings take place in the background -- you can turn your computer OFF during a sending - Automated list "hygiene" by scanning for bounced mail - Subscribers can unsubscribe themselves or update their own information (including email address)ENTERPRISE CLASS - WYSIWYG CompositionHave a list of 100,000? No Problem. From the ground up poMMo has been designed with scalable optimization in mind. - Very low disk I/O -- no wasteful back and fourth database queries, even during personalization! - Fast lightweight framework -- tiny session footprint, Minimal file inclusions and parsing overhead - Index optimizations result in lightning fast queries -- even during complicated group filtering on large (70,000 ) lists - Multiuser support with permissions (Administrators, Managers, and Mailers). - Send mailings through up to 4 SMTP relays simultaneously - Retrieved from "http://pommo.org/Features"