Remarkety's comprehensive deliverability guide for 2025

Email deliverability is the ability to successfully deliver emails to subscribers' inboxes. It is a crucial factor in determining the success of email marketing campaigns. After all, subscribers can't engage with emails they never see.

Remarkety provides the necessary tools to help you maintain a high deliverability rate.
Follow these best practices to improve your email reach and engagement.

 

Set UP Your DNS DKIM Records

DomainKeys Identified Mail (DKIM) is an email authentication method that helps prevent email spoofing and phishing attacks by allowing the recipient to verify that the email was sent by an authorized sender.

Benefits of DKIM:

  • Increases email security and protects your domain reputation.

  • Helps prevent phishing and email fraud.

  • Improves email deliverability by proving authenticity to email providers.

How to Set It Up (5-minute process):

For assistance with DKIM setup, contact support@remarkety.com.

Set Up Your SPF Record

An SPF (Sender Policy Framework) record is a simple DNS record that authorizes Remarkety to send emails on your behalf. This helps prevent email spoofing and ensures better inbox placement.

How to Set It Up:

White Label Your Domain with DNS Records

DNS records map your domain to the appropriate IP addresses, helping email providers (Gmail, Outlook, Yahoo, etc.) verify that your emails come from an authorized source.

Benefits of White Labeling:

  • Improves email authentication and deliverability.

  • Removes the "via Remarkety" tag from your emails.

To receive your DNS setup instructions, contact support@remarkety.com.

 

Import Bounced Emails and Unsubscribes from Previous Providers

To maintain a clean email list and protect your sender reputation:

  • Import bounced emails and unsubscribes from previous email service providers.

  • This prevents sending emails to invalid addresses, which could otherwise bounce or trigger spam complaints.

Segment Your Contact List for Better Targeting

Email segmentation is key to improving engagement and reducing spam complaints. Sending multiple emails per day to an entire list can result in increased unsubscribes and damage your sender reputation.

With Remarkety’s Segments feature, you can:

  • Create dynamic lists for targeted email campaigns.

  • Run boosted campaigns on Facebook.

  • Track the performance and fluctuation of your segments.

Learn here how to use segments to target your most engaged customers.

 

Throttle Large Email Campaigns

For accounts with 20,000+ contacts, email throttling helps maintain "Sender Reputation" by gradually distributing emails over a set timeframe. Enabling this feature can help improve deliverability.

Why Throttle?

  • Prevents triggering spam filters.

  • Improves engagement rates.

  • Builds a stronger sender reputation.

 

Test, Test, and then, Test some more!

Even though Remarkety templates are responsive, always test your campaigns across multiple email platforms before launching them. Testing helps ensure your emails display correctly and function as intended.

Best Practices for Testing:

  1. Use Email Testing Tools: Utilize platforms like Litmus or Email On Acid to preview your emails across different email clients and devices. These tools help identify formatting issues, broken links, and potential rendering problems.

  2. Send Test Emails: Before sending to your full list, send test emails to yourself and team members using different email clients (e.g., Gmail, Outlook, Yahoo, Apple Mail) and on both desktop and mobile devices.

  3. Check Deliverability & Spam Score: Run your email through a spam filter checker to ensure it isn't likely to be flagged as spam. Services like Mail Tester can analyze your email’s content and authentication settings.

  4. Validate Links & CTAs: Double-check that all links in the email, especially call-to-action (CTA) buttons, direct users to the correct landing pages.

  5. A/B Test Your Emails: Experiment with different subject lines, email designs, and content formats to determine what resonates best with your audience. Remarkety's A/B testing feature allows you to optimize your campaigns for better performance.

  6. Gradually Warm Up Your Email List: If you’re sending from a new email address or IP, avoid blasting emails to your entire contact list at once. Start with smaller batches, prioritize engaged customers first, and gradually increase volume over time to build a positive sender reputation.

  7. Monitor Engagement Metrics: After sending a test campaign, analyze open rates, click-through rates, and bounce rates. Adjust your strategy based on these insights to improve future email performance.

For businesses new to email marketing, start by sending to recently signed-up users to avoid deliverability issues caused by outdated email addresses.

 

Optimize Email Design and Content.

A well-crafted email ensures better deliverability and engagement. Keep these guidelines in mind:

  • Subject Line: Keep it simple, direct, and avoid excessive capitalization or spammy words like "SALE," "FREE," "LIMITED TIME OFFER," or "BUY NOW." Words that create a sense of urgency, overuse exclamation points, or include too many emojis can trigger spam filters and decrease deliverability.

  • Content Balance: Maintain a healthy ratio between text, images, and CTAs (Call to Actions). Avoid emails that are heavily image-based without sufficient text, as some email clients block images by default.

  • Grammar & Spelling: Ensure proper language usage and clean coding. Poor grammar and spelling errors can make emails look unprofessional and reduce credibility.

  • CTA Links: Double-check that buttons and links lead to the correct destination to prevent phishing concerns. Misleading or incorrect links can lead to trust issues and poor user experience.


For any additional questions or support, contact support@remarkety.com

 

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