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14th Jan 2021
Can I Have Multiple SPF Records on My Domain?

Can you have multiple SPF records on a single domain? The answer is no: a domain MUST NOT have multiple SPF records, otherwise SPF fails with PermError.

An SPF record is a TXT record in the DNS starting exactly with "v=spf1", followed by an array of mechanisms and/or modifiers…

SPF Multiple SPF Records
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14th Jan 2021
How SPF Works With Subdomains?

We will go over how SPF works with subdomains in this article.

How SPF policy discovery works

As discussed in the How DMARC Works With Subdomains post, not all subdomains need to publish a DMARC record, if the organizational domain already has one…

SPF Subdomain
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14th Jan 2021
How to Add SPF Record in Bluehost: Bluehost SPF Setup Guide

This post provides step-by-step instructions on how to add an SPF record in Bluehost.

About SPF records

An SPF record is a TXT record published in the DNS on your domain, starting with v=spf1. It's used to perform SPF checks on the receiving email server…

SPF SPF Record Bluehost
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14th Jan 2021
How to Add SPF Record in CloudFlare: CloudFlare SPF Setup Guide

This post provides step-by-step instructions on how to add an SPF record in CloudFlare.

About SPF records

An SPF record is a TXT record published in the DNS on your domain, starting with v=spf1. It's used to perform SPF checks on the receiving email server…

SPF SPF Record CloudFlare
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14th Jan 2021
How to Add SPF Record in GoDaddy: GoDaddy SPF Setup Guide

This post provides step-by-step instructions on how to add an SPF record in GoDaddy.

About SPF records

An SPF record is a TXT record published in the DNS on your domain, starting with v=spf1. It's used to perform SPF checks on the receiving email server…

SPF SPF Record GoDaddy
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14th Jan 2021
How to Add SPF Record in Namecheap: Namecheap SPF Setup Guide

This post provides step-by-step instructions on how to add an SPF record in Namecheap.

About SPF records

An SPF record is a TXT record published in the DNS on your domain, starting with v=spf1. It's used to perform SPF checks on the receiving email server…

SPF SPF Record Namecheap
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14th Jan 2021
How to Implement DMARC/DKIM/SPF to Stop Email Spoofing/Phishing: The Definitive Guide

This article aims to provide a complete guide to implementing SPF, DKIM, and DMARC for your organization, and suggest the best practices for doing so. It is written in hopes that this will clear up confusion about what steps to take to achieve an effective DMARC deployment to secure business email a…

SPF DKIM DMARC
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14th Jan 2021
How to Set Up DMARC, DKIM, and SPF in Office 365 (O365) Exchange Server: the Complete Implementation Guide

It's critically important for any company using Office 365 Exchange Server for email to implement DMARC, DKIM, and SPF to prevent or stop email spoofing and phishing as well as improve email deliverability.

Office 365 has become the de facto standard for productivity software…

SPF DKIM DMARC Office 365
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14th Jan 2021
How to Set Up Sender Policy Framework (SPF): the Complete Guide

Sender Policy Framework (SPF) plays an important role in modern-day email authentication, along with DMARC and DKIM. It helps prevent emails from unauthorized senders from landing in the inbox.

We are going to present a comprehensive guide to SPF in this article…

SPF
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14th Jan 2021
How to Set Up SPF and DKIM for Amazon SES

When you first set up Amazon SES to send emails, you may find there is a "Via amazonses.com" warning for the email in the recipient's mailbox.

This warning means you haven't authorized Amazon SES to deliver emails for you, so the mailbox provider considers that sent from Amazon SES instead of your…

SPF DKIM Amazon SES Email domain authentication
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14th Jan 2021
How to Set Up SPF and DKIM for Mailchimp

Follow the steps below to set up SPF and DKIM for Mailchimp, so that your marketing emails are more likely to reach the inbox. This is a process also known as email domain authentication.

How to set up SPF and DKIM for Mailchimp:

Verify your domain

Mailchimp requires you to verify that you o…

SPF DKIM Mailchimp Email domain authentication
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14th Jan 2021
How to Set Up SPF and DKIM for SendGrid

When you first set up SendGrid to send emails, you may find there is a "Via SendGrid" warning for the email in the recipient's mailbox.

This warning means you haven't authorized SendGrid to deliver emails for you, so the mailbox provider considers that sent from SendGrid instead of your brand…

SPF DKIM SendGrid Email domain authentication
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14th Jan 2021
Introduction to SPF
What is SPF

Sender Policy Framework (SPF) is an email authentication mechanism which alllows only authorized senders to send on behalf of a domain, and prevents unauthorized users from doing so. SPF allows the receiver to check that an email claiming to come from a specific domain indeed comes fro…

SPF
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14th Jan 2021
SPF/DKIM/DMARC Setup Guide for G Suite (Gmail for Business)

Once you've created a G Suite account on your domain, you will need to set up email authentication so that emails sent from G Suite on behalf of your domain are fully authenticated, and keep monitoring the authentication status and take action if necessary…

DMARC DKIM SPF GSuite Gmail
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14th Jan 2021
SPF FAQs (Frequently Asked Questions)

What is SPF?

Sender Policy Framework (SPF) is an email authentication mechanism which alllows only authorized senders to send on behalf of a domain, and prevents unauthorized users from doing so. SPF allows the receiver to check that an email claiming to come from a specific domain indeed comes fr…

SPF FAQs
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14th Jan 2021
The Fastest Way to Set Up DMARC, DKIM, and SPF: Easy Email Authentication Deployment Explained

People tend to think of setting up email authentication with DMARC, DKIM, and SPF as time-consuming and error-prone because they have to search the Web for various articles and tools to achieve a simple DMARC, DKIM and SPF setup. This can take days for those who aren't proficient in email authentica…

DMARC DKIM SPF Set Up
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14th Jan 2021
What is An SPF Record and How does It Work: SPF Record Explained

An SPF record is a TXT record published in the DNS by the domain owner, which specifies a whitelist of IP addresses allowed to send emails on behalf of the domain. When an email reaches the receiving server, the server will look up the SPF record in the DNS, and perform a check to determine if the e…

Sender Policy Framework SPF SPF Record SPF Mechanism SPF Modifier SPF Qualifier SPF Evaluation
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14th Jan 2021
Why SPF Authentication Fails: none, neutral, fail(hard fail), soft fail, temperror, and permerror Explained

DMARC (Domain-based Message Authentication, Reporting and Conformance) specifies these possible errors (non-pass) in SPF (Sender Policy Framework) authentication: none, neutral, fail (hard fail), softfail (soft fail), temperror (temporary error), and permerror (permanent error)…

SPF

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