SPF Records in DNS Zone Files
Learn about SPF records, how they authorize domain hosts to send email, and how to include Google's servers in your DNS zone file for effective email authentication and delivery.
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Presentation Transcript
Google.com Mail Server
TXT @ "v=spf1 a include:_spf.google.com ~all" Components Description TXT The DNS zone record type; SPF records are written as TXT records
TXT @ "v=spf1 a include:_spf.google.com ~all" Components Description TXT The DNS zone record type; SPF records are written as TXT records In a DNS file, the "@" symbol is a placeholder used to represent "the current domain" @
TXT @ "v=spf1 a include:_spf.google.com ~all" Components Description TXT The DNS zone record type; SPF records are written as TXT records In a DNS file, the "@" symbol is a placeholder used to represent "the current domain" @ v=spf1 Identifies the TXT record as an SPF record, utilizing SPF Version 1
TXT @ "v=spf1 a include:_spf.google.com ~all" Components Description TXT The DNS zone record type; SPF records are written as TXT records In a DNS file, the "@" symbol is a placeholder used to represent "the current domain" @ v=spf1 Identifies the TXT record as an SPF record, utilizing SPF Version 1 Authorizes the host(s) identified in the domain's A record(s) to send e-mail a
TXT @ "v=spf1 a include:_spf.google.com ~all" Components Description TXT The DNS zone record type; SPF records are written as TXT records In a DNS file, the "@" symbol is a placeholder used to represent "the current domain" @ v=spf1 Identifies the TXT record as an SPF record, utilizing SPF Version 1 Authorizes the host(s) identified in the domain's A record(s) to send e-mail a Authorizes mail to be sent on behalf of the domain from google.com include:
TXT @ "v=spf1 a include:_spf.google.com ~all" Components Description TXT The DNS zone record type; SPF records are written as TXT records In a DNS file, the "@" symbol is a placeholder used to represent "the current domain" @ v=spf1 Identifies the TXT record as an SPF record, utilizing SPF Version 1 Authorizes the host(s) identified in the domain's A record(s) to send e-mail a Authorizes mail to be sent on behalf of the domain from google.com include: Denotes that this list is all inclusive, and no other servers are allowed to send e-mail ~all
Google.com Mail Server
