Is slack.com's email set up correctly?
A live check of slack.com's email authentication — SPF, DKIM, DMARC, and MX, the four signals mailbox providers use to decide whether slack.com's email reaches the inbox.
slack.com is missing authentication that affects inbox placement.
Receivers can reject or soft-fail spoofed mail.
v=spf1 include:_spf.qualtrics.com include:mail.zendesk.com include:_spfextra.slack.com -all
Checked common selectors; a custom selector may still exist.
Mail failing authentication is quarantined or rejected.
v=DMARC1;p=reject;fo=1:d:s;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]
aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com
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Checks public DNS records only. Data shown was current at build time; run the live tool for the latest.