Hi.. I have installed plugin 2 month before it was working fine in the beginning. I have created 3 newsletters one has to send immediately, another after a week and another after 15 days.. but whenever a subscriber log in the mail is not sending to them whic i have set as immediately.. when i get inside the newsletter option it is showing an option called (next batch mail will send after 11 minutes 33seconds(its varying each time whenever i add new subscriber) and with that showing don’t wait and send it now when i click on this option it showing error like [Error Sending Message Newsletter to [email protected] | Could not execute: (/usr/sbin/sendmail) => Next try in 0 minutes.] what do for this.. how to send mail… I need help Could you?….