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What Is SPF, DKIM, DMARC, & How to Set It Up Correctly?

Protocols like SPF, DKIM, and DMARC act as virtual guards, verifying sender identity and content integrity to ward off spam threats and build an impenetrable cold email infrastructure.

But setting up these defenses demands careful attention to detail. Watch out for common pitfalls and critical insights to fortify defenses and keep your inbox safe.

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What is SPF?

Sender Policy Framework, or SPF, is a vital email authentication technique that helps detect and prevent sender address forgery.

Fundamentally, it allows the receiving mail server to verify that the domain's owner authorized an email claiming to come from a specific domain.

This verification is essential for protecting against spam and phishing attacks and enhancing email security and trustworthiness.

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How SPF works & Why it Matters?

SPF, or Sender Policy Framework, is an email authentication technique that helps to verify whether incoming mail from a domain comes from a host authorized by that domain's administrators. It enhances email security by preventing phishing and email spoofing, utilizing DNS records to confirm senders.

Proper SPF setup guarantees higher email deliverability, significantly supporting the broader email authentication framework alongside DKIM and DMARC.

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What is DKIM?

DKIM, or DomainKeys Identified Mail, is a vital email authentication method that helps verify the sender's identity and guarantees the content has not been tampered with during transit.

By appending a digital signature to each outgoing email, DKIM provides a mechanism for the recipient to verify this signature against a public cryptographic key in the sender's DNS records.

Understanding how DKIM functions is essential for maintaining the integrity and trustworthiness of email communications.

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How DKIM works & Why it Matters?

DomainKeys Identified Mail (DKIM) significantly boosts email security by attaching a digital signature to each outgoing message, guaranteeing its authenticity and integrity.

Key aspects include:

  1. Verification of sender reputation: Validates sender to thwart phishing.
  2. Enhancement in email deliverability: Helps emails reach intended inboxes.
  3. Protection against tampering: Ensures messages remain unaltered during transit.
  4. Integration with SPF and DMARC: Strengthens overall email security configuration.

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What is DMARC?

DMARC, or Domain-based Message Authentication, Reporting, and Conformance is an essential email authentication protocol to protect domain owners' domains from unauthorized use, such as email spoofing.

It uses DNS instructions to help email systems determine the legitimacy of incoming email sources, thereby enhancing security.

Understanding how DMARC works is essential for maintaining the integrity of email communications and protecting against common threats like phishing and spam.

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How DMARC works & Why it Matters?

DMARC is an essential email authentication protocol that safeguards domains from unauthorized use and defends against email spoofing by authenticating incoming emails based on DNS instructions.

  1. Enhances Email Security: Integrates SPF and DKIM for robust protection.
  2. Improves Email Deliverability: Helps maintain domain reputation.
  3. Prevents Phishing Attacks: Reduces risk of email-based threats.
  4. Protects Against Email Spoofing: Confirms sender's authenticity.

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How to Setup SPF, DKIM & DMARC Instantly?

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Specialized email hosting providers like Mailforge.ai can set up SPF, DKIM, and DMARC instantly within minutes.

This simplifies creating and verifying these essential email authentication records quickly and efficiently, streamlining the implementation of SPF, DKIM, and DMARC.

But the fun fact is Mailforge doesn't burden you with technical tasks to set these up. All you need to do is change your domain nameserver from your domain provider's DNS editor.

And that's it, that's all you need to do. You can create the emails and slap those with a warmer. 

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Quick note: Salesforge offers free warm-up.

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How do you set up an SPF record?

After exploring the streamlined tools for email authentication setup, it's crucial to focus on establishing an SPF record specifically for your domain. Here's a step guide:

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  1. Open DNS Editor: Access your domain's DNS settings.
  2. Add TXT Record: Use the format with a TTL of 3600.
  3. v=spf1 include:_spf.google.com ~all
  4. Verify Record: Use a DNS lookup tool to confirm the SPF record's effectiveness.

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How to set up a DKIM record?

To set up a DKIM record for your domain, follow these steps:

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  1. Log in to Google Admin at admin.google.com
  2. Navigate to Menu ➡️ Apps ➡️ Google Workspace ➡️ Settings for Gmail ➡️ select 'Authenticate Email' to generate the key.
  3. Generate the DKIM Key.
  4. Create a DNS TXT Record using the generated DKIM key. Log in to your domain provider (e.g., GoDaddy, Squarespace, Namecheap) to do this.
  5. Authenticate your domain by adding the DNS TXT record with the DKIM Key.

This process is essential for authentication setup, ensuring your domain settings contribute to complete email protection and verifying your email authentication status.

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How to set up a DMARC record?

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Setting up a DMARC record begins by accessing your domain's DNS editor to add a new TXT record with the name _dmarc. Here's a simple guide:

  1. Open your domain registrar ➡️ and navigate to the DNS editor.
  2. Name Your Record: Enter _dmarc as the TXT record name.
  3. Set the Value: Paste the DMARC policy, such as v=DMARC1; p=reject; rua=mailto:your@email.com.
  4. Configure TTL: Set the TTL (Time to Live) to 3600 seconds for propagation.

SPF, DKIM, MX record—all your tech setup is completely automated in Mailforge.ai. All you need to do is change the nameservers in your domain provider, and you're good to go.

If these are all too technical for you to master then read this to find the best email service provider. And here’s how you choose your esp.

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How to Know Your SPF, DKIM, & DMARC Set up Correctly?

Just visit mxtoolbox.com & mail-tester.com to check your status.

Verifying that your SPF, DKIM, and DMARC are configured correctly is crucial for solid email security and deliverability. Review your DNS settings for precise SPF, DKIM, and DMARC records to confirm.

Setup validation tools assist in authenticating domains and improving email security and sender reputation. Correct configuration guarantees excellent email deliverability and protects communications from spoofing and phishing attacks.

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To Wrap It All Up

SPF, DKIM, and DMARC constitute the triumvirate of email security, protecting domains from the specters of forgery and spoofing. 

By carefully configuring these protocols, organizations can strengthen their email defenses, ensuring each message is a sealed, authentic missive from a trusted sender.

Setting up these protocols dissipates the fog, bringing clarity and trust to every email interaction. Embrace these guardians of email integrity to secure your digital communications.

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Weekly release update: Apr Week 1
Updates from last two weeks! 👀 Here’s what’s new in Salesforge 📬 1. New Integration Drop: Salesforge x Breakcold Integration is LIVE! With Breakcold’s social selling & CRM magic now baked into Salesforge, users can push their contacts from Breakcold into their Salesforge account and do outreach like bacon producing bosses. No more siloed outreach - Breakcold + Salesforge = next-level pipeline domination. 2. New Integration Drop: Salesforge x Pipedrive Integration is LIVE! Sync contacts from Pipedrive directly into Salesforge Kick off outreach sequences instantly using CRM data Eliminate manual exports and keep their workflows tight and efficient It’s now easier than ever to bridge CRM and outreach—Salesforge + Pipedrive = smooth prospecting at scale. 3. New Integration Drop: Salesforge x Databar Integration is LIVE! Enrich leads on the fly with up-to-date info Push enriched data into Salesforge Craft hyper-personalized outreach that hits way harder This unlocks serious personalization at scale. No more stale data, no more guesswork—Salesforge + Databar = smart outreach. 4. New feature drop: Opt out page logic improvements! From now on even if ESP scans the unsubscribe link, it will not unsubscribe the user until he actually clicks on a button in the dedicated unsubscribe page, this way we can ensure that there was an actual intent to unsubscribe from the email. 5. New Feature Drop: “Last Contacted” Filter is LIVE! Filter out contacts that haven’t been contacted in X days, weeks, or months Re-engage cold leads with precision This filter works up to 6 months—so whether it’s been 7 days or 180, users can now slice and dice their contact list like pros. We introduced in Agent Frank 🤖 1. New feature: Auto-Switch Languages: Frank now automatically adjusts the language of your emails based on the prospect’s LinkedIn profile language. But wait—he’s not stopping there. If a prospect replies in a different language, Frank will auto-switch the reply language too. Multilingual outreach? Handled. 2. New feature: Stop Multi-Threading: No more awkwardly emailing five people from the same company after one already replied. With this setting on, Frank will automatically stop outreach to other contacts at the same company as soon as anyone replies. Smarter targeting. Less noise. More respect. 3. New feature: Google Meet Links Are Now Supported! We’ve added support for Google Meet links under the “Send meeting link” goal! That means users can now use their Google Meet link in Agent Frank, just like Calendly or HubSpot. New free tools on salesforge.ai 🔨 Sales Forecast Tool: Get a data-driven projection of how many meetings, SQLs, and new customers you can expect per month. ROI Calculator: Calculate how quickly you will see a return on your initial investment, when hiring Agent Frank! WHOIS Domain Checker Tool: Check details of any domain within seconds! Email Service Provider (ESP) Checker: Identify the email service providers (ESPs) of your lead list & get an easy CSV report. LinkedIn Message Generator: Generate personalized LinkedIn messages for your prospects in seconds! Email Deliverability Test: Check the health of your mailboxes and get results delivered to you instantly via email. We're still working on more features & workflow improvements across all forges in April! 🌱