What tools and tips can improve email deliverability for a B2C onboarding flow with many Gmail addresses?

Email marketer from Stack Overflow explains that setting up a feedback loop (FBL) with ISPs like Gmail allows you to receive reports about spam complaints. This helps you identify and address any issues that are causing your emails to be marked as spam.

Email marketer from Reddit explains that maintaining a consistent sending volume helps establish a predictable sending pattern, which ISPs like Gmail use to assess your credibility. Avoid sudden spikes or drops in email volume.

Email marketer from Sendinblue shares the importance of regularly cleaning your email list by removing inactive subscribers and those who have unsubscribed. This helps maintain a good sender reputation and improves deliverability.

Email marketer from Email on Acid describes that avoiding spam trigger words can help you bypass spam filters. Be mindful of the language you use in your subject lines and body content, and avoid using overly promotional or sales-oriented terms.

Email marketer from HubSpot explains that if you're sending a large volume of emails, gradually warming up your IP address is important. Start with a small batch and increase the volume over time to establish a positive sending reputation with ISPs like Gmail.

Email marketer from SparkPost shares that segmenting your audience allows you to send more targeted and relevant emails, which can improve engagement and deliverability. Segment your list based on demographics, behavior, and preferences.

Email marketer from Litmus shares that testing your emails with preview tools before sending them to your entire list is key. Preview tools can help you identify any issues with rendering, content, or code that could affect deliverability or user experience.

Email marketer from Mailjet explains that setting up email authentication protocols (SPF, DKIM, DMARC) correctly is crucial. These protocols verify that your emails are sent from a legitimate source, increasing the chances of reaching the inbox.

Expert from Spamresource.com shares that regularly monitoring your IP address and domain's blocklist status is vital. Being listed on a blocklist can significantly impact deliverability, particularly to Gmail addresses. If listed, take immediate steps to understand why and work towards removal.

Expert from Email Geeks explains inbox testing is challenging due to Google's global filters which apply to mail when there isn't enough sender/recipient information. These filters are tested by inbox testing tools like inbox monster and Everest. There is also another set of filters specific to recipient/sender combo based on past interactions in a Google mail client.

Expert from Word to the Wise explains that Google will throttle your email if they think your rate of sending email is too fast. Throttling means that the reciepient server will slow down accepting the emails and this can have a negative impact. You need to throttle your mail, even if you have a good reputation.

Expert from Spamresource.com explains that proactive list hygiene, including the removal of inactive or unengaged subscribers, is crucial for maintaining a good sender reputation. Consistent list cleaning prevents sending to addresses that may have become spam traps or are no longer valid, boosting deliverability.

Documentation from Gmail Help highlights that to ensure your emails reach Gmail inboxes, you should adhere to Gmail's bulk sender guidelines, including authenticating your email, setting up feedback loops, and providing easy unsubscribe options.

Documentation from Microsoft details understanding your sender reputation. Microsoft has it's own system of sender reputation. If your reputation is poor your emails will have deliverability issues to outlook and hotmail addresses.

Documentation from DMARC.org describes that implementing DMARC (Domain-based Message Authentication, Reporting & Conformance) helps protect your domain from email spoofing and phishing attacks. It allows you to tell receiving mail servers what to do with emails that fail SPF and DKIM checks.

Documentation from RFC details the importance of setting up SPF records. These records tell receiving mail servers which IP addresses are authorized to send emails on behalf of your domain, which will help prevent spoofing and improve deliverability.