s2member not sending specific page email

Hi,

Thank you for making this great plugin. It helps a lot. But I have a problem, it used to work correctly.

I have specific pages protected and Paypal buttons. However, after the payment, s2member does not send the email with the access link.
I checked the related page in the FAQ and some posts in the forum with the exactly same problem. Nothing works for now.

I double checked my email address and it’s fine. I also tried to send an email using through WordPress’ PHP thingy and through IMAP just like the knowledge page related to my problem and this works.
I also checked the plugin email log: all emails I send through PHP and SMTP : OK. But I can’t see any s2member email…

For sure, payment in PayPal are processing normally, I receive the money and the payer pays.

Do you have any idea about what’s going on on my website. It’s weird.
Regards

Website: http://www.astr-oh-lemagazine.com
I can post the logs if you need them, but I can see that PayPal has notified the PayPal (or I guess so)