How to improve Gmail inbox placement for promotional emails?

Summary

Improving Gmail inbox placement for promotional emails requires a comprehensive approach focusing on technical aspects, content strategy, subscriber engagement, and sender reputation management. Key areas include implementing SPF, DKIM, and DMARC for email authentication; understanding recipient behavior and preferences by analyzing engagement rates and complaint patterns; crafting content that avoids spam trigger words and provides value to the audience; managing sender reputation through consistent sending volume, IP warm-up, and proactive ISP communication; and maintaining list hygiene by removing inactive subscribers. Ultimately, Gmail's inbox placement decisions are influenced by a combination of these factors, emphasizing the importance of a holistic and data-driven approach to email marketing.

Key findings

  • Authentication is Key: Proper email authentication (SPF, DKIM, and DMARC) is foundational for establishing trust with Gmail and ensuring deliverability.
  • Content Sensitivity: Gmail's content filters are becoming more sophisticated, requiring marketers to avoid spam trigger words and create engaging, valuable content.
  • Engagement Matters: Subscriber engagement metrics (open rates, click-through rates, complaint rates) heavily influence inbox placement decisions.
  • Sender Reputation is Crucial: Maintaining a positive sender reputation is essential, involving practices like IP warm-up, consistent sending volume, and proactive ISP communication.
  • Segmentation and Targeting: Segmenting audiences and sending targeted emails can significantly improve engagement and inbox placement.

Key considerations

  • Monitor Recipient Reactions: Pay attention to how recipients react to different types of emails, adapting your strategy accordingly.
  • Proactive ISP Communication: Establish communication channels with ISPs to quickly address any deliverability issues that may arise.
  • Implement SPF, DKIM, and DMARC: Ensure proper setup and ongoing maintenance of SPF, DKIM, and DMARC to protect against spoofing and phishing.
  • Avoid Spam Trigger Words: Regularly review and update your list of spam trigger words to ensure your content bypasses content filters.
  • Clean Your Email List: Remove inactive subscribers from your email list to improve engagement metrics and sender reputation.
  • Warm-up Your IP Address: Gradually increase your sending volume when starting with a new IP address to establish a positive sending history.
  • Monitor Sender Reputation: Use tools like Google Postmaster Tools to track your sender reputation and identify any potential issues.

What email marketers say
13Marketer opinions

Improving Gmail inbox placement for promotional emails involves a multifaceted approach focusing on sender reputation, email content, subscriber engagement, and technical configuration. Key strategies include authenticating emails using SPF, DKIM, and DMARC; segmenting audiences for targeted messaging; warming up IP addresses; A/B testing content and subject lines; avoiding spam trigger words; cleaning email lists; optimizing for mobile devices; providing valuable content; monitoring sender reputation via tools like Google Postmaster Tools; maintaining consistent sending volumes; and analyzing subscriber engagement metrics like complaint rates.

Key opinions

  • Authentication: Proper email authentication (SPF, DKIM, DMARC) is crucial for establishing sender legitimacy with Gmail.
  • Content Matters: Gmail is increasingly sensitive to email content. Avoiding spam trigger words and providing valuable, engaging content are important.
  • Subscriber Engagement: Gmail considers subscriber engagement when determining inbox placement. High engagement rates and low complaint rates can improve deliverability.
  • Targeted Sending: Segmenting audiences and sending targeted emails can improve engagement and inbox placement.
  • Sender Reputation: Monitoring sender reputation with tools like Google Postmaster Tools is essential for identifying and addressing deliverability issues.
  • Subject Lines: Subject lines have a significant impact on inbox placement. Avoid salesy or spammy language.
  • Consistent Volume: Maintaining a consistent email sending volume helps to establish a regular pattern and avoid triggering spam filters.

Key considerations

  • IP Warm-up: When starting to send emails, gradually warm up your IP address to build a positive sender reputation.
  • A/B Testing: Regularly A/B test subject lines and email content to optimize for engagement.
  • List Hygiene: Clean your email list regularly to remove inactive subscribers and avoid sending to unengaged users.
  • Mobile Optimization: Ensure your emails are optimized for mobile devices to provide a good user experience and improve engagement.
  • Content Analysis: Analyze email content for potential spam triggers, and use tools like ChatGPT to help re-write to be delivered better.
  • Complaint Rates: Closely monitor complaint rates, identify spikes and diagnose and resolve any issues.
Marketer view

Email marketer from Email Marketing Forum recommends maintaining a consistent sending volume. Sudden spikes or drops in email volume can trigger spam filters, so it's important to establish a regular sending pattern.

September 2023 - Email Marketing Forum
Marketer view

Email marketer from Hubspot recommends regularly cleaning your email list to remove inactive subscribers. Sending emails to unengaged users can negatively impact your sender reputation and lead to poorer inbox placement.

July 2021 - HubSpot
Marketer view

Email marketer from Sendinblue suggests warming up your IP address gradually when starting to send emails. They explain that slowly increasing volume helps establish a positive sender reputation with mailbox providers like Gmail.

September 2022 - Sendinblue
Marketer view

Email marketer from Mailchimp recommends segmenting your audience to send more targeted emails. They explain that segmented campaigns see higher open rates and fewer unsubscribes, which can improve inbox placement.

April 2021 - Mailchimp
Marketer view

Email marketer from Email Geeks shares that subject lines was the cause of the email going to spam. Changing the subject line caused it to go straight to spam. Also, testing the original webinar email message with a salesy subject line resulted in 33% of the emails going to spam.

August 2024 - Email Geeks
Marketer view

Email marketer from Reddit suggests monitoring your sender reputation using Google Postmaster Tools. Tracking metrics such as spam rate and feedback loop complaints can help you identify and address deliverability issues.

April 2023 - Reddit
Marketer view

Email marketer from Email Geeks shares a tactic to identify problematic content by replacing content in an inboxed email with content from a spam email to find the paragraph, CTA, link or just template that triggers the spam filter.

December 2023 - Email Geeks
Marketer view

Email marketer from Email Geeks notes that Gmail is becoming more sensitive to email content than it used to be, and that ChatGPT can be used for creative rewrites to improve inbox placement.

January 2022 - Email Geeks
Marketer view

Email marketer from Campaign Monitor advises focusing on providing value to recipients. They explain that creating relevant and engaging content increases the likelihood of recipients interacting with your emails, which improves your sender reputation.

September 2021 - Campaign Monitor
Marketer view

Email marketer from Email on Acid suggests avoiding spam trigger words in your subject lines and email body. They explain that using words commonly associated with spam can cause your emails to be filtered.

February 2023 - Email on Acid
Marketer view

Email marketer from Litmus emphasizes the importance of mobile optimization. They explain that providing a good experience on mobile devices increases engagement, which can improve inbox placement.

February 2024 - Litmus
Marketer view

Email marketer from Reddit shares that A/B testing subject lines and content can help identify what resonates best with your audience. Improved engagement can signal to Gmail that your emails are valuable and should be delivered to the inbox.

May 2023 - Reddit
Marketer view

Email marketer from Email Geeks asks about complaint rates and engagement differences between webinar and sales emails, suggesting Gmail might be reacting to subscriber preferences.

July 2021 - Email Geeks

What the experts say
4Expert opinions

Improving Gmail inbox placement for promotional emails requires understanding how Gmail assesses emails and building a strong sender reputation. Factors include recipient reactions to different email types, fostering good relationships with ISPs, ensuring proper email authentication (SPF, DKIM, DMARC), and avoiding spam trigger words in email content.

Key opinions

  • Recipient Reaction: Gmail considers how recipients react to different types of emails (e.g., sales vs. webinars).
  • ISP Relationships: Building good relationships with ISPs can facilitate communication and quick resolution of deliverability issues.
  • Email Authentication: Proper implementation of SPF, DKIM, and DMARC is crucial for establishing legitimacy and improving deliverability.
  • Spam Trigger Words: Avoiding spam trigger words in subject lines and email bodies helps bypass content filters.

Key considerations

  • Email Type Variation: Analyze performance of different email types to understand what resonates with recipients.
  • Proactive ISP Communication: Be proactive in establishing and maintaining communication channels with ISPs.
  • Authentication Audit: Regularly audit SPF, DKIM, and DMARC configurations to ensure proper implementation.
  • Content Optimization: Continuously refine email content to avoid language that might trigger spam filters.
Expert view

Expert from Word to the Wise shares that proper authentication is key for deliverability. They explain how to ensure SPF, DKIM and DMARC are configured properly. It also highlights common mistakes in implementing these protocols and how to avoid them, ensuring optimal authentication and deliverability.

September 2024 - Word to the Wise
Expert view

Expert from Spam Resource suggests that avoiding common spam trigger words is important for evading content filters. They list examples of words and phrases that are likely to trigger spam filters and recommend using alternative language.

September 2021 - Spam Resource
Expert view

Expert from Word to the Wise, Laura Atkins, emphasizes the importance of building good relationships with ISPs and maintaining a positive sender reputation. She explains that good relationships allow senders to have open communications with ISPs to resolve issues quickly. She also explains how to build positive reputation.

February 2022 - Word to the Wise
Expert view

Expert from Email Geeks suggests that Google might be reacting to how recipients react to sales emails versus webinar emails.

November 2022 - Email Geeks

What the documentation says
5Technical articles

Improving Gmail inbox placement for promotional emails, based on technical documentation, requires implementing proper email authentication (SPF, DKIM, and DMARC) to verify sender legitimacy and prevent spoofing. Additional strategies include monitoring sender reputation with tools like Google Postmaster Tools, avoiding sending unwanted emails, providing easy unsubscription options, and ensuring your domain isn't on any blocklists.

Key findings

  • Authentication: SPF, DKIM, and DMARC are essential for verifying sender legitimacy and improving deliverability.
  • Sender Reputation Monitoring: Tools like Google Postmaster Tools help monitor sender reputation and identify deliverability issues.
  • Avoid Unwanted Email: Sending unwanted emails can negatively impact sender reputation and inbox placement.
  • Blocklist Monitoring: Being on a blocklist can severely impact inbox placement; regularly check your domain status.

Key considerations

  • SPF Implementation: Carefully configure SPF records to authorize permitted mail servers for your domain.
  • DKIM Signing: Use DKIM to digitally sign your emails, enabling receiving servers to verify message integrity.
  • DMARC Policy: Implement DMARC to define a policy for handling unauthenticated emails, protecting recipients from phishing.
  • Unsubscription Options: Provide easy and accessible unsubscription options to reduce complaints and improve sender reputation.
Technical article

Documentation from DKIM.org explains the importance of using DomainKeys Identified Mail (DKIM) to sign your emails. DKIM provides a way for receiving mail servers to verify that an email message was authorized by the domain owner, which helps to combat spoofing and improve deliverability.

October 2021 - DKIM.org
Technical article

Documentation from RFC details how to implement Sender Policy Framework (SPF) records. It specifies the syntax and semantics of SPF records used to authorize which mail servers are permitted to send mail on behalf of your domain, helping to prevent spoofing and improve deliverability.

March 2022 - RFC
Technical article

Documentation from Microsoft suggests ensuring that your sending domain and IP address are not listed on any major blocklists. Being on a blocklist can severely impact your ability to reach the inbox. Use online tools to check your domain's status.

May 2024 - Microsoft Support
Technical article

Documentation from Google Workspace Admin Help advises administrators to authenticate their email with SPF, DKIM, and DMARC. They also suggest monitoring your sender reputation with Postmaster Tools, avoid sending unwanted email, and provide easy unsubscription options.

July 2023 - Google Workspace Admin Help
Technical article

Documentation from DMARC.org explains the process of implementing DMARC (Domain-based Message Authentication, Reporting & Conformance). It highlights how DMARC builds upon SPF and DKIM to provide a policy for handling unauthenticated emails, reducing phishing and improving inbox placement.

February 2023 - DMARC.org