after submitted the application through email, i got the reply as follow
Dear Applicant,
Thank you for submitting your application for Flight Deck opportunities with Qatar Airways. We have recently established a new online recruitment system and are no longer accepting applications via this mailbox.
Please visit the Careers section of the Qatar Airways website at Land a Great Career with Qatar Airways | Qatar Airways in order to see our latest vacancies and apply online.
We would like to take this opportunity to thank you for your interest in Qatar Airways and we look forward to receiving your application in the near future.
Kind Regards,
anyone has the same experience.