Release Notes
Last updated: 2025-12-16 10:39:22
November 2025
Update | Description | Release Date | Related Address |
Delivery Response | Optimize the delivery response module queue real-time status, toggle on/click, spam report, bounced, unsubscribe 5 page displays and experience. Compare to earlier, optimized the following content: Queue real-time status: Updated from the original most recent 15 minutes to 1 hour. Toggle on/click: Support query and download of send email time, opening time, client, and bulkId for toggle on events. Support precise data query and download at the click link dimension for click events. Spam report: Support query and download of report information for QQ Mail and Microsoft mailbox. Bounced: Support viewing the mapping between bounced error codes and bounced reason categorization. Unsubscribe: Support viewing the sender domain name of unsubscribed emails and autonomously remove unsubscribed operations (please be cautious). | 2025-11 |
October 2025
Update | Description | Release Date | Related Address |
Data Statistics | Optimize the data statistics page interaction experience. Integrate the original feedback data page into the send email data page. Add data metrics: delayed delivery volume, hard bounce rate, standalone open volume/rate, standalone click volume/rate. Add data analysis dimensions: support viewing email sending data by date and by dimension (including recipient domain name, sender domain name, sender address, email template), and support drill-down detail view. Add analysis of bounce and rejection reasons: Support filtering to show rejection reasons and analyze bounce reasons within a specific time period and dimension. Among them, bounce reasons support viewing proportion, sending advice, trend analysis, distribution analysis, and detail viewing, helping you comprehensively locate bounce reasons and effectively improve delivery rate. | 2025-10 |
September 2025
Update | Description | Release Date | Related Address |
webhook | Callback information now supports adding send time and business custom fields. Based on your own data, you can analyze demands on demand. sentTimestamp: The time when the mail is sent. Custom content (X-Tencentcloudses-Cb-): Set custom content with " X-Tencentcloudses-Cb-" as a prefix in the email header. Support setting in API sending and SMTP for email sending. For API sending, use the interface SendEmail and set parameters in SmtpHeaders. | 2025-09 |
August 2025
Update | Description | Release Date | Related Address |
sender address | Supports adjusting the account's sender address quantity. Generally, 10 sender addresses are sufficient. If you need to expand the quantity limit based on business scenario requirements, contact us for special handling. | 2025-08 |
July 2025
Update | Description | Release Date | Related Address |
Interception (Original blocklist) | Optimize the Interception page overall experience (Original blocklist page) Add invalid address query, remove or whitelist capacity: When you are sure a recipient email address is valid but intercepted by SES as an invalid address (blocklist) and resent, support autonomous removal or whitelisting. Add query capability for rejected mailboxes: The platform will not send emails to rejected mailboxes if the recipient rejects the email or blacklists the sender. SES supports user query of the reject list. | 2025-07 |
June 2025
Update | Description | Release Date | Related Address |
Attachment name | Attachment names can contain spaces. Generally, spaces in attachment names are not recommended due to cross-platform compatibility and qualitative technology analysis. If required by business needs, contact us separately for special handling. | 2025-06 |
May 2025
Update | Description | Release Date | Related Address |
Tag | SES supports adding different tags to sender domain names and independent IPs. Support CRUD operations for tags on sender domain names and independent IPs. Support permission allocation and cost allocation based on tags. | 2025-05 |
April 2025
Update | Description | Release Date | Related Address |
email content | SMTP send email Support meeting calendar component. Support built-in images. | 2025-04 |
March 2025
Update | Description | Release Date | Related Address |
DKIM Verification | Optimize DKIM key length to support 2048 (default 1024). For scenarios with high security requirements, we recommend that you select 2048 length first. | 2025-03 |
February 2025
Update | Description | Release Date | Related Address |
Voucher Issuance | SES supports voucher issuance mode, where you can see the voucher flag in the email header or details. This is a standard operation, indicating the sender's display (from) and envelope sender (mail from) are inconsistent. The API method allows setting inconsistent from and mail from. Console operations are coming soon. Display sender (from): Corresponds to HeaderFrom in the API document. Envelope sender (mail from): Corresponds to FromEmailAddress in the API document. Generally, it is not recommended that you use the relay mode. If your sender display needs to reflect the brand logo or must use a specific sender address, and the domain reputation of the displayed sender is temporarily insufficient or you are concerned about its impact, you may employ the relay mode. | 2025-02 |
January 2025
Update | Description | Release Date | Related Address |
Dedicated IP - Phase 2 | Optimize user experience. Compare with Phase I: Configuration process: full-process self-service with no need to submit a ticket. Users can complete the configuration independently and enable it immediately. Service suspension process: After you click "shut down", the system will automatically perform billing settlement in the next month and return the pre-frozen amount via the original payment method. The process is transparent with no need to follow up. Other: The process is clear and smooth with guided steps and status prompts, helping you quickly complete the end-to-end process from activation to official use within minutes. | 2025-01 |
December 2024
Update | Description | Release Date | Related Address |
Large attachment support | To ensure delivery rate and reduce the likelihood of being recognized as spam, Tencent Cloud platform recommends no more than 10 attachments by default, with each attachment size not exceeding 4M and total attachment size not exceeding 8M. If your business scenario requires exceptions, submit a ticket or contact online customer service for evaluation. Specific support includes: API method: Supports enabling the FileURL parameter allowlist feature. You can upload files to Cloud Object Storage (COS) or other cloud storage, set the share link as the FileURL parameter value, and send it to the inbox. Before sending, SES will download the file content as an attachment. SMTP method: Raise the attachment count based on request within the size limit. | 2024-12 |
November 2024
Update | Description | Release Date | Related Address |
CC and BCC | SMTP email sending supports CC and BCC. CC: CC recipient email address, supports up to 20 recipients. BCC: BCC recipient email address, supports up to 20 recipients without duplication. | 2024-11 |
October 2024
Update | Description | Release Date | Related Address |
Recipient list | Optimize recipient list management. Supports bulk import and export of recipient addresses: Each recipient list allows uploading up to 500,000 recipient addresses, with a size no more than 100MB. Support automatic removal of abnormal recipient addresses: Remove "duplicate recipients", "empty recipients", and "entire variable JSON exceeding 1000 characters" in file during upload. Support format recognition for incorrect recipient addresses: Intuitively see the number of uploaded addresses with invalid format and get reminded to modify or delete them promptly. | 2024-10 |
September 2024
Update | Description | Release Date | Related Address |
Custom block | The original blocklist module adds a custom blocklist and is renamed "Custom Block". Support users to autonomously set a full mailbox blocklist: When detecting that the last bounce was due to a full inbox space, trigger proactive interception again and support modifying the valid period. Support customers to batch upload or add blocklists: Emails will not be sent to these inboxes, and support changing the valid period. Interception behavior generated by the "custom blocklist" feature will be counted into the "blocked messages" statistics. | 2024-09 |
August 2024
Update | Description | Release Date | Related Address |
Message-ID | The Message-ID in the SMTP protocol header supports users in passing a custom unique identifier for emails when using SMTP or API sending. Note that this must uniquely identify an email and comply with the RFC5322 standard. After configuration, view the email sending status in the console. After setting, the information can be obtained when receiving callback information, with a cache cycle of 3 days. | 2024-08 |
July 2024
Update | Description | Release Date | Related Address |
unsubscribe | SMTP send email method supports unsubscribe in time setting. Configure the unsubscription feature by providing a sender address. Emails sent from this address will include an unsubscription link in the specified language. Currently, only the API method is supported. Stay tuned for console support. | 2024-07 |
June 2024
Update | Description | Release Date | Related Address |
Dedicated IP - phase I | The value-added service for Dedicated IP is now online. Using a dedicated IP avoids interference from other users, ensures the reputation of your sender domain name and IP, and improves email deliverability. Customers can perform operations such as enabling, configuring, using, and disabling the service on the console. Among them: Console supports autonomous enabling: To ensure resources are used reasonably, enabling requires pre-freezing a fee of 900 CNY. Ensure balance is sufficient. Configuration requires submitting a ticket: Dedicated IP is configured at the domain level. Please first complete the creation and verification of the sender domain name. After enabling the service, contact us for configuration. This process requires manual configuration by backstage operation staff. Support normal usage/disable: Standalone IP adopts a monthly postpaid method, and the previous month's cost will be automatically deducted before the 3rd of each month. If you no longer need it, promptly disable the standalone IP or shut down the service. Disabling standalone IP is not allowed in the month of addition. | 2024-06 |
August 2020
Update | Description | Release Date | Related Address |
Simple Email Service (SES) goes live | Simple Email Service (SES) is a cloud-based, platform-based service that provides enterprises with secure, stable, simple, fast, precise, and efficient push services for marketing, notifications, and transactional emails. | 2020-08 |
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