I learned it now

anyway, I tried to send it again and again it doesn’t send it.

It was sent only to one. this is the message I get:

14 Emails to Send in Total – Step 1 of 1 – Estimated Time Until Completion: 0 Seconds. Please wait…

Email Sent Successfully to USER1

Completed.

and only this user get the email.

This entry passed through the Full-Text RSS service — if this is your content and you’re reading it on someone else’s site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.

Source