# Add support for Postmark transport in @adonisjs/mail v10\.3\.0

Canonical URL : https://adonisjs-signal.jrmc.dev/insights/4706eb8e-3b17-4137-b124-154b609eae97
Source release or documentation date : 2026-06-02T04:18:54.000Z
Category : release | Developer impact : medium
Affected packages : @adonisjs/mail

The @adonisjs/mail package released version 10\.3\.0 which introduces new email transports including Postmark and Cloudflare email service\. Several bug fixes were also included related to header forwarding and attachment content resolution in resend and brevo transports\. Additionally, improvements were made to the release workflow for supply\-chain security and dependency updates for GitHub Actions\.

## What this means for your code

Developers using @adonisjs/mail can now send emails using the Postmark transport and Cloudflare email service transport\. Bug fixes improve reliability of header forwarding and attachment handling in existing transports\. No breaking changes or required migrations are indicated\.

## Suggested actions

- Update @adonisjs/mail to version 10\.3\.0 to access new Postmark and Cloudflare email transports
- Review bug fixes related to resend and brevo transports if using those features
- No migration steps required

## Original sources

- [Add support for Postmark transport](https://github.com/adonisjs/mail/releases/tag/v10.3.0)

AI-generated analysis based on the linked sources. Check the original documentation before changing your application.