Email Authentication

signal.org

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:_spf.google.com ~all

DKIM

pass
Cryptographic signature on outbound mail (selector: google).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCSYE2OjxFNy7pTUDH5XhamaldIPMGDpzwcBmune21dOBmym7HFhkBiug/H4p6EamPgzcWkFeqoh6u6jWy00D/NOIKF/4lzlKqeqhHf8AggMWkYTPaDre80XyD6cCIG6Vy8j0w6wbpspfOTu3tJ7TX6gCEheq6EZF9xdo6qubZP1wIDAQAB

DMARC

pass
Tells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@signal.org

Mail Servers (MX)

1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com