Email Deliverability
shelly.cloud
A
90 / 100
1
MX hosts
1
MX IPs
0
Blacklisted
0
No PTR
0
No FCrDNS
Issues (4)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject
lowOnly one MX host
lowDMARC has no reporting address