What are the best platforms for deliverability testing with Klaviyo?

Summary

A wide variety of tools and techniques are suggested for deliverability testing with Klaviyo. GlockApps is mentioned as a cost-effective option, while Inbox Monster and Validity Everest are highlighted as more comprehensive (and expensive) solutions. MessageBird's Inbox Tracker is another recommended platform. Seed list testing, combined with feedback loops, is a common practice. Monitoring sender reputation, authenticating domains (SPF, DKIM, DMARC), using dedicated IPs for high-volume sending, previewing emails across devices, and testing across different mailbox providers are crucial for maintaining and improving deliverability. Klaviyo's Webhook integration allows for sending data to external platforms. Google Postmaster Tools and Microsoft SNDS offer insights into deliverability issues specifically with Gmail and Outlook.com, respectively. General advice emphasizes the importance of a varied approach to testing, utilizing multiple tools and techniques.

Key findings

  • Platform Options: Several platforms cater to different needs and budgets, including GlockApps, Inbox Monster, Validity Everest, and MessageBird's Inbox Tracker.
  • Seed List Testing: Seed list testing is a widely used technique for assessing inbox placement.
  • Holistic Approach: A combination of tools, techniques (seed lists, feedback loops), and monitoring is essential for comprehensive testing.
  • Authentication Importance: Domain authentication (SPF, DKIM, DMARC) is crucial for building trust and improving deliverability.
  • Reputation Monitoring: Consistently monitor sender reputation to identify and address deliverability issues.
  • Provider-Specific Testing: Testing across different mailbox providers is necessary due to variations in handling.

Key considerations

  • Budget Allocation: Determine the budget for deliverability testing and choose platforms accordingly.
  • Feature Needs: Assess the required features and capabilities when selecting a platform.
  • Authentication Implementation: Implement proper domain authentication (SPF, DKIM, DMARC) to improve deliverability.
  • Testing Scope: Employ a variety of testing methods, including seed lists and feedback loops, for a comprehensive analysis.
  • Device Compatibility: Ensure emails render correctly across different devices and email clients.
  • Volume Considerations: High-volume senders should consider using a dedicated IP address.
  • Provider-Specific Analysis: Analyze deliverability issues specific to Gmail and Outlook.com using Google Postmaster Tools and Microsoft SNDS, respectively.

What email marketers say
10Marketer opinions

Several platforms and techniques are recommended for deliverability testing with Klaviyo. GlockApps is a popular, cost-effective option for seed list testing. More robust, but also more expensive, solutions include MessageBird's Inbox Tracker, Validity Everest, and tools mentioned on G2. Mailtrap is suggested for safe staging environment testing. Combining seed list testing with feedback loops and domain authentication (SPF, DKIM) are also recommended. Additionally, monitoring sender reputation, using dedicated IPs for high-volume sending, and previewing emails across devices are crucial for maintaining good deliverability. Reddit users suggest combining GlockApps and Mail-Tester.

Key opinions

  • Platform Variety: A range of platforms are available for deliverability testing, from basic (GlockApps) to comprehensive (Inbox Tracker, Everest).
  • Seed List Importance: Seed list testing is a common technique to assess inbox placement across different providers.
  • Authentication: Domain authentication (SPF, DKIM) is crucial for building trust with mailbox providers.
  • Monitoring: Regular monitoring of sender reputation and deliverability metrics is essential.

Key considerations

  • Cost vs. Features: Balance the cost of the platform with the features and insights it provides.
  • Testing Environment: Utilize a safe testing environment to avoid impacting real recipients.
  • Authentication Setup: Ensure proper domain authentication (SPF, DKIM) to improve deliverability.
  • Device Preview: Preview emails across different devices and clients to ensure proper rendering.
  • Sender Reputation: For high volume senders, a dedicated IP will improve and maintain sender reputation.
Marketer view

Email marketer from Reddit suggests using a combination of GlockApps and Mail-Tester to get a good overview of deliverability issues, particularly when using Klaviyo.

July 2024 - Reddit
Marketer view

Email Marketer from Mailchimp advises users to authenticate their email domain with SPF and DKIM records to improve deliverability and build trust with mailbox providers.

June 2022 - Mailchimp

What the experts say
4Expert opinions

Experts suggest several approaches to deliverability testing with Klaviyo. GlockApps is noted as a potentially cost-effective option. Inbox Monster and Validity are identified as major competitors in the space, with Inbox Monster recommended if cost is not a concern. General advice emphasizes the importance of using diverse tools and techniques, including seed lists and feedback loops, and testing across different mailbox providers to understand variations in handling.

Key opinions

  • GlockApps Option: GlockApps is a considered a viable, budget-friendly solution for deliverability testing.
  • High-End Competitors: Inbox Monster and Validity are identified as leading platforms with more extensive features.
  • Comprehensive Testing: A comprehensive approach involves using various tools and techniques like seed lists and feedback loops.
  • Provider Variation: Deliverability should be tested across multiple mailbox providers due to differences in handling.

Key considerations

  • Budget: Consider the budget when choosing a platform, as options range from cost-effective to high-end.
  • Testing Scope: Implement a broad testing strategy including seed lists, feedback loops, and authentication protocols.
  • Provider-Specific Issues: Test deliverability with a range of mailbox providers to address any unique provider-specific problems.
  • Feature Needs: Evaluate whether a basic tool or a more feature-rich platform is necessary.
Expert view

Expert from Word to the Wise recommends testing deliverability across a range of mailbox providers to understand how different providers handle your mail, and to identify specific issues relating to certain mailbox providers. But doesn't suggest a platform.

February 2025 - Word to the Wise
Expert view

Expert from Email Geeks shares that the big competitors are Inbox Monster and Validity, and suggests Inbox Monster if cost is not an issue.

May 2024 - Email Geeks

What the documentation says
5Technical articles

The provided documentation highlights key aspects of email deliverability testing and improvement. Klaviyo integrates with external tools via Webhooks for real-time data analysis. Monitoring sender reputation is crucial, as emphasized by Mailjet. Google Postmaster Tools provides insights into sender reputation specifically for Gmail users. Microsoft SNDS offers data on IP reputation and spam complaints from Outlook.com users. Finally, SparkPost documentation details the importance of properly setting up SPF, DKIM, and DMARC records for domain authentication to improve deliverability.

Key findings

  • Webhook Integration: Klaviyo can integrate with external tools via Webhooks for data analysis.
  • Sender Reputation: Monitoring sender reputation is a key factor in identifying deliverability issues.
  • Google Postmaster Tools: Google provides tools to understand your reputation with Gmail users.
  • Microsoft SNDS: Microsoft offers data on IP reputation and spam complaints from Outlook.com users.
  • Domain Authentication: Proper setup of SPF, DKIM, and DMARC records improves deliverability.

Key considerations

  • Integration Capability: Leverage Klaviyo's Webhook integration to analyze deliverability data externally.
  • Reputation Monitoring: Prioritize monitoring of sender reputation using tools like Sender Score.
  • Gmail Insights: Utilize Google Postmaster Tools for specific insights into Gmail deliverability.
  • Outlook.com Analysis: Use Microsoft SNDS to analyze deliverability issues with Outlook.com users.
  • Authentication Setup: Ensure proper configuration of SPF, DKIM, and DMARC records for domain authentication.
Technical article

Documentation from SparkPost details how to properly set up SPF, DKIM, and DMARC records for domain authentication, significantly improving email deliverability and sender reputation.

November 2022 - SparkPost
Technical article

Documentation from Google provides insights into sender reputation, spam rate, and feedback loops, which are crucial for identifying and resolving deliverability problems with Gmail users.

March 2021 - Google