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how to configure my domain for inboxing
how to configure my domain for inboxing
Configuring your domain for successful inboxing involves setting up several technical standards that help verify the identity of the sender and improve email deliverability. These standards include SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting & Conformance). Here's a step-by-step guide to configure each:
SPF (Sender Policy Framework):
v=spf1 include:_spf.google.com ~allinclude statement typically incorporates the sending servers of your email service provider (ESP). The ~all part of the SPF record indicates that emails sent from IPs not listed in the SPF should be treated as a soft fail, meaning they could still be accepted but marked with a caution.DKIM (DomainKeys Identified Mail):
k=rsa; p=MIGfMA0GCSq...DMARC (Domain-based Message Authentication, Reporting & Conformance):
v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@yourdomain.comFor each of these steps, you will have to:
It's essential to note that different email platforms have specific ways to generate and implement SPF, DKIM, and DMARC records. Always refer to your platform's documentation for detailed instructions and best practices. Additionally, after setting up these records, you should use validation tools provided by your email platform or third-party services to ensure they are correctly implemented and recognized.
what is dmarc?
DMARC, which stands for Domain-based Message Authentication, Reporting, and Conformance, is an email authentication, policy, and reporting protocol. It's designed to give email domain owners the ability to protect their domain from unauthorized use, commonly known as email spoofing. The purpose and primary outcome of implementing DMARC is to protect a domain from being used in business email compromise attacks, phishing emails, email scams, and other cyber threat activities.
Here's how DMARC works and what it encompasses:
Alignment with SPF and DKIM: DMARC relies on the established SPF and DKIM protocols to authenticate an email message. It checks that the email message's source is legitimate by verifying that the sender's domain has a valid SPF record and that the DKIM signature is valid.
Policy Enforcement: DMARC allows the domain owner to specify how an email should be handled if it fails the DMARC check. The domain owner can instruct the receiving mail servers to do nothing (p=none), quarantine the message (p=quarantine), or reject the message outright (p=reject).
Reporting: DMARC also specifies how receiving email servers should report back to the sending domain's owner about messages that pass and/or fail DMARC evaluation. This reporting mechanism is crucial for domain owners to understand who is sending email on behalf of their domain.
A DMARC policy is published in the DNS as a TXT record and may look something like this:
v=DMARC1; p=quarantine; pct=100; rua=mailto:report@example.com;
v=DMARC1 specifies the DMARC version.p=quarantine is the policy to apply to email that fails the DMARC check.pct=100 tells the receiving mail server to apply this rule to 100% of the mail it receives.rua=mailto:report@example.com specifies where aggregate reports of DMARC failures should be sent.Implementing DMARC helps increase deliverability of legitimate email while reducing spam and fraud. It allows domain owners to have greater control and visibility into email operations using their domain, which enhances security and trust in email communications.