Email authentication
The basics are in place but can be hardened.
Authorizes which servers may send mail for the domain
SPF is published and within limits.
v=spf1 include:u826348.wl.sendgrid.net include:amazonses.com include:_spf.google.com include:email.chargebee.com include:_spf.communiteq.com include:spf.mandrillapp.com -allCryptographically signs outgoing mail (best-effort selector probe)
DKIM key published for 4 known selectors.
Tells receivers what to do with mail that fails SPF and DKIM
DMARC is enforced.
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1Enforces TLS for inbound mail and prevents downgrade attacks
MTA-STS is published but not enforcing.
v=STSv1; id=1656787848Receives reports about TLS delivery failures
TLS reporting is configured.
v=TLSRPTv1; rua=mailto:[email protected]Displays your verified brand logo in supporting inboxes
BIMI is published.
v=BIMI1; l=https://www.squadhelp.com/html/hyper_admin/assets/images/cms/SquadhelpSquareLogo.svgChecks query live DNS over Cloudflare and the public MTA-STS policy endpoint. DKIM selectors cannot be listed from DNS, so DKIM detection probes common provider selectors only.