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This Knowledge Base article provides a technical deep dive into Google Workspace Gmail SMTP Relay (IP-based), covering:SMTP Relay architecture and behaviorCorrect configuration for application / portal emailRoo…
A) Google Workspace (Admin Console) — set up SMTP Relay Open: Admin Console → Apps → Google Workspace → Gmail → Routing → SMTP relay service → Add Setting. Description: PostMaster SMTP Relay. Allo…
SPF (Sender Policy Framework) is an important email authentication mechanism used to identify which mail servers are authorized to send email on behalf of a domain. A correctly configured SPF record can help pr…