What are the updated Google bulk sender guidelines and TLS requirements for email senders?

Summary

Google's updated bulk sender guidelines, effective February 2024, primarily target senders sending 5,000+ messages daily to personal Gmail accounts. These senders must authenticate emails (SPF, DKIM, DMARC), implement one-click unsubscribe, and maintain low spam rates (<0.1%). Though initially focused on consumer accounts, Workspace accounts will eventually be included. TLS, encrypting email communications, is an ESP's responsibility. These changes affect a large portion of B2C and B2B lists, especially SMB B2B, and require adherence to best practices like list hygiene and permission-based sending to ensure deliverability and a positive sending reputation.

Key findings

  • Sender Threshold: Senders sending 5,000+ emails daily to Gmail accounts fall under bulk sender guidelines.
  • Authentication Mandate: Email authentication (SPF, DKIM, DMARC) is crucial for compliance and improved deliverability.
  • Unsubscribe Requirement: One-click unsubscribe functionality is a must for bulk senders.
  • Spam Rate Target: Maintaining spam rates below 0.1% is vital to avoid penalties and blocking.
  • TLS Encryption: TLS secures email transmission; the responsibility lies with the ESP.
  • Workspace Inclusion: The guidelines will eventually extend to Google Workspace accounts.
  • Impact on SMBs: These changes particularly impact small businesses and SMB B2B email practices.

Key considerations

  • Authentication Setup: Implement SPF, DKIM, and DMARC to authenticate emails and comply with Google's guidelines.
  • Unsubscribe Implementation: Make sure the unsubscribe process is clear, easy, and functional.
  • Spam Rate Monitoring: Track and actively minimize spam complaint rates.
  • ESP Partnership: Ensure your ESP has TLS enabled and follows best practices for email security.
  • Proactive Adaptation: Stay informed about upcoming changes and adapt your strategies accordingly.
  • List Management: Practice proper list hygiene and permission-based sending to uphold a positive reputation.
  • Audience Impact: Consider how the changes impact various recipient demographics, including Gmail users and Workspace users.

What email marketers say
11Marketer opinions

Google has updated its bulk sender guidelines, primarily targeting personal Gmail accounts, with a focus on enhanced email authentication using SPF, DKIM, and DMARC. Senders must implement one-click unsubscribe options and maintain low spam complaint rates. While the requirements initially apply to consumer Gmail accounts, future enforcement will extend to Google Workspace accounts. These changes aim to improve email deliverability and create safer inbox experiences, particularly impacting smaller businesses and SMB B2B lists.

Key opinions

  • Authentication: Gmail now mandates email authentication (SPF, DKIM, DMARC) for bulk senders to verify sender identity and enhance deliverability.
  • Unsubscribe: One-click unsubscribe functionality is essential for bulk senders to comply with the updated Google guidelines.
  • Spam Rates: Maintaining low spam complaint rates is critical to avoid penalties and ensure emails reach the intended inboxes.
  • Scope of Impact: While initially focusing on personal Gmail accounts, the new requirements will eventually apply to Google Workspace accounts.
  • List management: List management and hygiene are important to follow best practices for GDPR.

Key considerations

  • Implementation: Businesses should prioritize implementing SPF, DKIM, and DMARC authentication protocols to meet Google's requirements.
  • Monitoring: Regularly monitor spam complaint rates and implement strategies to reduce them to acceptable levels.
  • Compliance: Ensure that email campaigns include clear and easily accessible unsubscribe options for recipients.
  • Future Changes: Stay informed about the evolving Google requirements and prepare for future changes affecting Google Workspace accounts.
  • Impact on SMBs: Small businesses and B2B senders targeting Gmail accounts should take immediate steps to adhere to the new guidelines to avoid deliverability issues.
Marketer view

Email marketer from Mailjet outlines the new Google sender requirements including authenticating email with SPF, DKIM, and DMARC; enabling one-click unsubscribe; and keeping spam rates low. They highlight the impact on senders targeting Gmail addresses.

October 2021 - Mailjet
Marketer view

Email marketer from Reddit discusses the implication the new Google/Yahoo rules have on smaller senders. They talk about keeping spam rates down and having a clear unsubscribe process to remain complaint.

March 2023 - Reddit
Marketer view

Email marketer from SparkPost provides clarification on Google's changes, emphasizing the need for authentication, low spam rates, and easy unsubscribe. They also note the phased rollout of these requirements, starting with a focus on bulk senders targeting consumer Gmail accounts.

April 2022 - SparkPost
Marketer view

Marketer from Email Geeks shares a link to Google's updated policy, noting that the bulk sender guidelines now only apply to senders sending to personal Gmail accounts and that Google added a TLS requirement.

March 2022 - Email Geeks
Marketer view

Email marketer from Gmass discusses how even if Google is only applying requirements to @gmail.com subscribers, that still impacts a large percentage of B2C and B2B lists, especially SMB B2B.

October 2021 - Gmass
Marketer view

Email marketer from ActiveCampaign explains the importance of adhering to Google's updated sender requirements to maintain email deliverability. They emphasize the need for authentication, low spam rates, and easy unsubscribe to prevent emails from being marked as spam or blocked.

February 2025 - ActiveCampaign
Marketer view

Email marketer from Reddit expresses concerns about the impact of Google's new requirements on smaller businesses, particularly regarding stricter spam filtering and the need for robust authentication practices.

December 2022 - Reddit
Marketer view

Email marketer from EmailOctopus emphasizes that Google requires senders to authenticate their emails using SPF, DKIM, and DMARC. Proper authentication helps verify the sender's identity and improve deliverability to Gmail inboxes.

January 2023 - EmailOctopus
Marketer view

Marketer from Email Geeks states that Google has not changed the requirements but clarified a few things with stronger wording, as it was open to interpretation before. They publicly stated that they will start with consumer accounts first, and at some points, the requirements will be for workspace as well.

May 2022 - Email Geeks
Marketer view

Email marketer from Sender highlights the importance of email authentication (SPF, DKIM, DMARC), easy unsubscribe options, and maintaining a low spam complaint rate to comply with Google's updated requirements for bulk email senders. They also mention the impact on senders who don't meet these standards.

November 2021 - Sender
Marketer view

Email marketer from ZeroBounce details the new authentication, list management, and spam threshold requirements from Google and Yahoo for 2024, emphasizing the unified push for better email experiences and safer inboxes.

June 2023 - ZeroBounce

What the experts say
4Expert opinions

Google's updated bulk sender guidelines, while initially focused on personal Gmail accounts, significantly impact B2C and B2B lists, especially SMB B2B. Compliance involves email authentication (SPF, DKIM, DMARC), one-click unsubscribe, and maintaining low spam rates to prevent blocking or spam filtering. Transport Layer Security (TLS) is primarily an ESP responsibility. Adhering to general best practices, like authentication, list hygiene, and permission-based sending, also remains crucial for inbox placement and maintaining a good sending reputation.

Key opinions

  • Targeted Impact: Google's changes impact B2C and B2B lists, particularly affecting small and medium-sized businesses (SMBs) using Gmail.
  • Authentication Mandate: Email authentication (SPF, DKIM, DMARC) is crucial for compliance with Google's requirements.
  • Unsubscribe & Spam: One-click unsubscribe options and low spam rates are necessary for avoiding deliverability issues.
  • TLS Responsibility: Enabling TLS is the responsibility of the Email Service Provider (ESP).
  • Best Practices: Inbox placement benefits from general best practices like list hygiene and permission-based sending.

Key considerations

  • Compliance Steps: Implement SPF, DKIM, and DMARC for email authentication to meet Google's guidelines.
  • ESP Assessment: Ensure your ESP uses TLS and is proactive in maintaining email security.
  • Holistic Approach: Focus on both new requirements and established best practices to enhance inbox placement.
  • Impact Awareness: Understand how these changes affect your specific sender type and recipient demographics.
  • Reputation Maintenance: Prioritize list hygiene and permission to cultivate a positive sending reputation.
Expert view

Expert from Word to the Wise addresses that while there are no direct mentions of updated Google bulk sender guidelines or TLS requirements, focusing on established best practices, such as authentication and list hygiene, is key for inbox placement. Good sending reputations and permission-based sending are important.

September 2021 - Word to the Wise
Expert view

Expert from Email Geeks explains that sending mail over TLS is solely an ESP thing, they are the only entity that can do it, and they don’t need customer cooperation to do it.

September 2022 - Email Geeks
Expert view

Expert from Email Geeks discusses that even if Google is only applying requirements to @gmail.com subscribers, that still impacts a large percentage of B2C and B2B lists, especially SMB B2B.

May 2022 - Email Geeks
Expert view

Expert from Spamresource explains that to comply with the new Gmail bulk sending requirements, senders must authenticate their email with SPF, DKIM, and DMARC. They also need to implement one-click unsubscribe and maintain a low spam rate. Senders who fail to comply risk having their emails blocked or sent to spam.

August 2024 - Spamresource

What the documentation says
4Technical articles

Google's updated bulk sender guidelines, effective as of February 2024, mandate that senders sending 5,000 or more emails in a 24-hour period to Gmail accounts must authenticate their emails, maintain a clear unsubscribe process, and keep spam rates below 0.1%. These requirements specifically apply to personal Gmail accounts. TLS (Transport Layer Security) is a cryptographic protocol that encrypts email communications, ensuring privacy, data integrity, and preventing eavesdropping and tampering during transmission.

Key findings

  • Bulk Sender Threshold: Senders sending 5,000+ emails in 24 hours to Gmail are considered bulk senders.
  • Authentication Required: Bulk senders must authenticate their emails for improved deliverability.
  • Unsubscribe Essential: A clear and easy unsubscribe process is mandatory.
  • Spam Rate Limit: Spam rates must be kept below 0.1% to avoid penalties.
  • TLS Encryption: TLS secures email transmission by encrypting data to ensure privacy and integrity.

Key considerations

  • Compliance Check: Assess if your email volume triggers the bulk sender guidelines.
  • Implement Authentication: Set up SPF, DKIM, and DMARC to authenticate emails.
  • Simplify Unsubscribe: Ensure an easily accessible and functional unsubscribe mechanism.
  • Monitor Spam: Track and minimize spam complaint rates.
  • Enable TLS: Verify that TLS is enabled for secure email transmission.
Technical article

Documentation from Google Support explains that as of February 2024, senders who send 5,000 or more messages in a 24-hour period to Gmail accounts must authenticate their email, have a clear unsubscribe process, and keep spam rates below 0.1%. They also clarify that these requirements apply to personal Gmail accounts.

April 2021 - Google Support
Technical article

Documentation from RFC Editor defines TLS as a cryptographic protocol designed to provide communications privacy and data integrity between communicating applications over a network. TLS secures email transmission by encrypting the data in transit.

July 2022 - RFC Editor
Technical article

Documentation from AuthSMTP defines TLS, and discusses how it secures data by encrypting communications between a client and server, ensuring privacy and preventing tampering. It's an essential protocol for safe email sending.

November 2023 - AuthSMTP
Technical article

Documentation from Google Workspace Admin Help describes TLS (Transport Layer Security) as a protocol that encrypts and delivers email securely. It recommends enabling TLS to prevent eavesdropping and tampering, ensuring confidentiality for email communications.

May 2023 - Google Workspace Admin Help