Email Authentication

launchpadcontent.net

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 -all

fail

Cryptographic signature on outbound mail (selector: default).

v=DKIM1; p=

pass

Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.

v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;rua=mailto:dmarc-rua-misc@admin.canonical.com