[](https://php.package.health/packages/openbuildings/postmark/0.1.4)
No required dependencies.
1 total, 1 outdated
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| swiftmailer/swiftmailer | Swiftmailer, free feature-rich PHP mailer | 5.0.* | v6.3.0 | outdated |