How can I fix my emails landing in Gmail spam folder?
Summary
What email marketers say13Marketer opinions
Email marketer from Email Geeks shares their experience of filling Google's form ~10 days after making audience changes (sending to most engaged users only, decreasing send frequency) and suggests it might help resolve reputation issues faster, although without quantifiable data.
Email marketer from Mailchimp recommends authenticating your email with SPF, DKIM, and DMARC to prove your emails aren't forged, as well as segmenting your audience to send targeted emails to engaged subscribers.
Email marketer from ReturnPath (now Validity) advocates for setting up feedback loops with major ISPs, which alert you when recipients mark your emails as spam, allowing you to promptly remove those subscribers from your list and prevent future complaints.
Email marketer from Email Geeks explains that submitting the form likely prompts Google to re-sample email, and positive results, if any, would likely occur after improvements have already been made.
Email marketer from SenderVerify states that cleaning your email lists, authenticating your domain using SPF, DKIM, and DMARC, and monitoring your sender reputation are important factors in improving deliverability.
Email marketer from HubSpot recommends building a clean email list, warming up your IP address, and ensuring your emails meet accessibility standards to improve deliverability.
Email marketer from Campaign Monitor explains that implementing a DMARC policy helps protect your domain from email spoofing and phishing attacks by instructing receiving mail servers on how to handle emails that fail SPF or DKIM checks.
Email marketer from Litmus says that monitoring and improving subscriber engagement, such as open rates and click-through rates, because engaged subscribers are less likely to mark emails as spam, which can positively impact your sender reputation.
Email marketer from Email Marketing Forum suggests checking your IP address reputation with various online reputation services. A poor IP reputation can lead to deliverability issues.
Email marketer from Reddit suggests checking your sender reputation using tools like Sender Score and ensuring your domain isn't blacklisted. He also advises monitoring bounce rates and unsubscribe rates to identify potential issues.
Marketer from Email Geeks advises adding sending domain/subdomain to Google Postmaster Tools to monitor domain reputation and other key information for improvement.
Email marketer from GlockApps recommends using email placement testing tools to check where your emails are landing (inbox, spam, or promotions tab) across different email providers and identify potential issues before sending to your entire list.
Email marketer from Email on Acid shares avoiding excessive use of spam trigger words, such as 'free,' 'urgent,' or 'guarantee,' as they can increase the likelihood of emails being filtered as spam.
What the experts say4Expert opinions
Expert from Email Geeks suggests focusing on list acquisition and sending compelling content to engaged users to improve inbox placement, rather than relying on Google's form.
Expert from Word to the Wise explains focusing on permission practices, double opt-in is preferrable. Also make sure your subscribers remember subscribing to you.
Expert from SpamResource explains that maintaining a good sender reputation is crucial. This involves consistent sending practices, respecting unsubscribe requests, and avoiding sudden volume increases which can trigger spam filters.
Expert from SpamResource emphasizes the importance of list hygiene. This includes removing inactive subscribers and those who haven't explicitly opted in, which can lower bounce rates and improve deliverability.
What the documentation says4Technical articles
Documentation from Google Support explains that Gmail filters messages to protect users from spam, and if legitimate mail is marked as spam, users should mark it as 'Not spam'.
Documentation from Microsoft Support advises senders to avoid using all caps, excessive exclamation points, or bright colors, as these can trigger spam filters. They also recommend ensuring your email list is up-to-date and that recipients have opted in to receive your emails.
Documentation from DKIM.org explains that DKIM (DomainKeys Identified Mail) is an email authentication method that uses a digital signature to verify the sender and ensure the message hasn't been altered during transit.
Documentation from RFC Editor explains that SPF records are used to prevent email spoofing by allowing domain owners to specify which mail servers are authorized to send email on their behalf.