When i send an email i receive this message on my logs files:
Jan 21 16:31:30 correo postfix/qmgr: AABB02482F8: from=<firstname.lastname@example.org>, size=1867, nrcpt=1 (queue active)
Jan 21 16:31:30 correo postfix/qmgr: 77BDF248316: from=<>, size=4255, nrcpt=1 (queue active)
Jan 21 16:31:35 correo postfix/smtp: AABB02482F8: lost connection with yahoo.com[18.104.22.168] while receiving the initial server greeting
My domain receive emails but i can't send email to any domain.
My DNS works fine, zimbra receive emails, every email i send is marked as deferred.
If you need more information, just ask me
Thank you for your time!!!