Email Authentication
mayo.edu
SPF
passDeclares which servers may send mail for this domain.
v=spf1 mx include:_spf.mayo.edu include:_spf_sf_lms.mayo.edu include:_spf_msgfe_mcmo.mayo.edu include:_spf_sf_lms_dc4.mayo.edu -all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; sp=reject; pct=100; rf=afrf; ri=86400; fo=1; aspf=s; adkim=s; ruf=mailto:dmarc-details@mayo.edu; rua=mailto:dmarc-summary@mayo.edu
Mail Servers (MX)
20 mail2.mayo.edu
20 mail5.mayo.edu
20 mail6.mayo.edu
20 mail7.mayo.edu
20 mail3.mayo.edu
20 mail4.mayo.edu
20 mail8.mayo.edu
40 mail9.mayo.edu