Free limited SMTP service available in trial version. Validate emails before sending, Spam content checker to check probability of your email being considered as spam. It also suggests improvements to avoid your email being considered as Spam by Recipient Email Servers. Handling of new subscribers. More Columns / Dynamic variables in Email List added. Logs / Error Messages are now available in detail. History of sent mails is maintained. Save Mails for sending later. Exclusion / Do not Email List. Schedule emails for sending later. Run a Test campaign before running actual campaign.