What are the Gmail delivery rate limits and how does sender reputation affect them?

Email marketer from Email Marketing Tips Forum explains the importance of gradually increasing email volume to establish trust with email providers and not being flagged as spam.

Marketer from Email Geeks shares that Google will tell you if you've exceeded their notion of what your limits should be but, that notion may change tomorrow.

Email marketer from Hubspot explains several factors affect deliverability, including authentication, list hygiene, engagement, and avoiding spam triggers. A good mix of these factors will result in a good sender reputation.

Email marketer from Email Deliverability Forum explains that it is important to avoid spam traps and maintain a clean list. Regularly cleaning the list is important for not hitting spam traps and damaging sender reputation.

Email marketer from Email Marketing Forum shares that warming up your IP address is important to not trigger rate limiting. Start with low volumes and gradually increase them to build a positive reputation.

Email marketer from SendPulse shares that factors impacting sender reputation include your IP address's history, email authentication (SPF, DKIM, DMARC), spam complaints, bounce rates, sender consistency, and content quality. Maintaining a clean list and engaging content are crucial for a good reputation.

Email marketer from EmailonAcid shares that authentication methods like SPF, DKIM, and DMARC are key to improving sender reputation, as this proves the sender is legitimate and authorized to send emails on behalf of their domain.

Email marketer from Mailchimp shares that sender reputation is a score assigned to your sending IP address and domain, based on the behavior of your email program. A positive reputation can improve delivery rates, while a poor reputation can lead to emails being marked as spam. Factors impacting reputation include spam complaints, bounce rates, and engagement metrics.

Email marketer from Reddit explains that Gmail's limits are not fixed and depend on sender reputation, engagement, and historical sending patterns. New accounts have much lower limits that gradually increase over time with good behavior.

Email marketer from Litmus explains that tracking open and click rates, as well as conversions, will give an indication of engagement. High engagement rates show that emails are wanted, which enhances sender reputation.

Marketer from Email Geeks shares it's no use to put a standard connections / send per connections, as it's per the reputation of the customer shooting email, what's right with one will not be right for the other.

Marketer from Email Geeks explains that they barely have any sending limits with Gmail. If they start throttling any of their senders, they go talk to that sender and help them improve their reputation to fix that issue.

Marketer from Email Geeks explains that it depends on the sender reputation and that their default is 10 simultaneous connections per IP and 50 messages per connection for new customers, and then increase it for the customer (by 10-20 percent per day) until Google complains. Then they go to the sender, check Google Postmaster Tools, fix stuff if something's broken, if not just wait and try increasing them again after 5-7 days.

Expert from Email Geeks explains that Google doesn't publish Gmail delivery rate limit information and these limits are determined more by reputation.

Expert from Word to the Wise explains that sender reputation is about more than just your IP. Senders must think more broadly about their reputation to keep messages out of the spam folder. All of the email programs you use contribute to your overall online reputation.

Expert from Spam Resource explains that Gmail heavily relies on sender reputation, making it dynamic and personalized, rather than fixed numbers. Factors such as sending volume, authentication, complaint rates, and engagement all contribute to a sender's reputation, thus influencing their individual rate limits.

Expert from Word to the Wise explains the importance of knowing the source of any reputation damage. Knowing the source of reputation damage helps figure out how to address the problem.

Expert from Spam Resource shares that important factors that contribute to your reputation with Gmail include the age of your IP/domain, authentication practices, the lists you mail to and your sending habits.

Expert from Email Geeks explains that if the mail is getting through, the settings are fine. She also notes she doesn't remember Google ever saying anything about limits and that most places changed their tune on limits about a decade ago, particularly the big consumer domains.

Documentation from SparkPost explains that Gmail's algorithm analyzes your sending patterns to determine if your emails are legitimate. Monitoring your bounce rate and spam complaints will directly impact limits.

Documentation from Google Workspace Admin Help explains that Gmail has sending limits to protect the system from abuse. These limits depend on the type of account you have (e.g., Google Workspace vs. personal Gmail) and can change. Exceeding these limits can result in temporary restrictions or account suspension. They don't explicitly state numbers, but focus on the principle.

Documentation from DMARC.org explains DMARC as a protocol that uses SPF and DKIM to give email domain owners the ability to protect their domain from unauthorized use, commonly known as email spoofing. Implementing this can significantly improve sender reputation.

Documentation from RFC explains how to format SPF records to improve sender authentication and prove the sender is who they say they are.

Documentation from Google Postmaster Tools explains the tool allows senders to monitor their sender reputation, spam rate, and other key metrics related to Gmail delivery. This data can be used to identify and address issues impacting delivery rates.