Problem with segments in emailing

I have a problem, I try to send an email to all the contacts of a segment, but Mautic only takes into account a third of the email addresses (PS: a month ago it worked without problems)

Hi
thank you for your answer !

The log is empty did u mean di php info ?
Thanks for your help !

Hi
thank you for your answer !

The log is empty did u mean di php info ?
Thanks for your help !

Cron jobs ?

Maybe somme filter problems i think because 40 000 mail in my segment but only 6000 planned in the sending list