Email Deliverability
postgresql.org
B
73 / 90
2
MX hosts
4
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (6)
highDMARC policy is none (monitor only)
highMX IP 72.32.157.229 has no PTR (reverse DNS)
highMX IP 2001:4800:3e1:1::229 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC has no reporting address
infoDKIM could not be verified