smtp.apple.com

mx-in.g.apple.com(10), mx-in-hfd.apple.com(20), mx-in-ma.apple.com(20), mx-in-mdn.apple.com(20), mx-in-rn.apple.com(20), mx-in-rno.apple.com(20), mx-in-sg.apple.com(20), mx-in-vib.apple.com(20)

v=spf1 redirect=_spf.apple.com