ents. This is a permanent error. The following address(es) failed:

  kwi@mantraonline.com
    retry time not reached for any host after a long failure period
  klmalik@mantraonline.com
    retry time not reached for any host after a long failure period
  kilaso@mantraonline.com
    retry time not reached for any host after a long failure period
  kanishka@mantraonline.com
    retry time not reached for any host after a long failure period
  itlho@mantraonline.com
    retry time not reached for any host after a long failure period

 davido.extraxim@gmail.com