How can I best evaluate my sender score to improve inbox placement?
Summary
What email marketers say10Marketer opinions
Email marketer from Reddit emphasizes that creating valuable, engaging content can encourage recipients to positively interact with your emails (e.g., marking emails as 'not spam'), which can help to improve your sender reputation and inbox placement over time.
Email marketer from Email Geeks answers that spam in inboxes is due to the imperfect nature of spam filtering systems and not because spammers have high sender scores, implying that modeling practices after spammers is counterproductive.
Email marketer from Sendinblue details that to improve sender score, focus on permission-based emailing, clean your email lists regularly to remove inactive subscribers, authenticate your emails with SPF, DKIM, and DMARC, and maintain a consistent sending volume. Avoiding spam traps and monitoring bounce rates are also essential.
Email marketer from Reddit explains the need for email authentication using SPF, DKIM, and DMARC is crucial for improving sender score and deliverability. These protocols verify that emails are sent from legitimate sources, reducing the risk of phishing and spoofing, and improving trust with ISPs.
Email marketer from Email Marketing Forum advises monitoring bounce rates to identify and address deliverability issues. High bounce rates indicate problems with your email list or sending practices, which can negatively impact your sender score and inbox placement.
Email marketer from GMass explains that several key metrics impact your sender reputation including spam complaints, emails blocked, spam trap hits, and maintaining low hard bounce rates. To best evaluate sender score and improve inbox placement, you must actively track and reduce the causes of each of these factors.
Email marketer from Reddit shares that consistently maintaining a predictable sending volume helps establish a positive sender reputation with ISPs. Sudden spikes in email volume can trigger spam filters and negatively impact inbox placement, so gradually increasing sending volume is recommended.
Email marketer from GlockApps recommends employing multiple deliverability testing tools in addition to sender score, such as inbox placement tests and blacklist checks. This comprehensive approach provides a more accurate view of how your emails are being received across different ISPs and helps pinpoint specific deliverability issues.
Email marketer from Mailjet explains that consistently monitoring your sender reputation through tools like Sender Score, Google Postmaster Tools, and Microsoft SNDS is crucial. These tools help identify issues affecting deliverability, such as spam complaints or blacklisting, allowing for timely corrective actions.
Email marketer from Email Marketing Forum emphasizes the need to regularly clean email lists by removing inactive subscribers and those who have not engaged with your emails. Sending to engaged subscribers improves your sender reputation and inbox placement.
What the experts say6Expert opinions
Expert from Email Geeks explains that Sender Score is not a useful measure of inbox placement and focuses on other metrics like inbox testing, user response, revenue generated, and pixel loads.
Expert from Word to the Wise explains that email authentication is a crucial element for deliverability and improving your sender reputation. Utilizing SPF, DKIM, and DMARC correctly helps ISPs verify that your email is legitimate and reduces the chance of it being marked as spam.
Expert from Email Geeks explains limitations of inbox testing, including individual-level delivery variations among users and the inability of testing services to replicate normal user patterns. Individual user filters and Bayesian learning in mail clients can also skew results.
Expert from Spamresource.com explains that Seed lists can provide a controlled method for measuring inbox placement rates across a wide variety of mailbox providers. They should be used in conjunction with feedback loops and complaint reporting to give a comprehensive view of deliverability.
Expert from Word to the Wise explains that maintaining a clean and engaged email list is vital for sender reputation and inbox placement. Regularly removing inactive subscribers, handling bounces promptly, and suppressing complainers helps to improve engagement metrics and avoid being marked as spam.
Expert from Email Geeks shares that a high sender score does not guarantee deliverability, citing instances where mail was blocked or sent to spam despite a good score. They emphasize that it is a synthesized metric and may not align with every spam filter. They also suggest that domain reputation is more important.
What the documentation says5Technical articles
Documentation from RFC explains implementing Sender Policy Framework (SPF) helps prevent email spoofing by allowing domain owners to specify which mail servers are authorized to send emails on their behalf. Properly configuring SPF records improves sender authentication and inbox placement.
Documentation from DKIM details that DomainKeys Identified Mail (DKIM) adds a digital signature to email messages, verifying the sender's identity and ensuring the message hasn't been altered during transit. Implementing DKIM enhances email security and deliverability.
Documentation from Spamhaus details that understanding how Spamhaus's reputation data impacts deliverability involves monitoring their blocklists to ensure your sending IPs and domains are not listed. If listed, investigate the cause and follow their delisting procedures to restore your sender reputation.
Documentation from Google explains using Google Postmaster Tools to monitor sender reputation by tracking metrics like spam rate, feedback loop complaints, and authentication status for Gmail users. Analyzing these metrics helps identify and address deliverability problems specific to Gmail inboxes.
Documentation from Microsoft details using Microsoft's Smart Network Data Services (SNDS) to monitor IP reputation and email health. SNDS provides data on spam complaints, trap hits, and other issues affecting deliverability to Microsoft inboxes, allowing senders to maintain a positive sending reputation.