First of all you plugin is great and i use it for my clients but with one of them we have a problem when we send the newsletters toa list. If a send to a unique email works and the smtp test works to but not with the list submits, what could be the problem???
I Use WordPress's built-in CRON framework because i can't do it throught (webserver CRONTAB)
Could yu help me with this problem????
Thanks. (Natxo from Spain)