postmark-email-best-practices
Provides actionable guidelines for email deliverability, compliance, and transactional email design, leveraging Postmark's expertise.
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The postmark-email-best-practices skill was audited on Feb 27, 2026 and we found 1 security issue across 1 threat category. Review the findings below before installing.
Categories Tested
Security Issues
medium line 94
Webhook reference
SourceSKILL.md
| 92 | | Black hole | Send to `[email protected]` | Functional testing — appears in activity | |
| 93 | | Sandbox server | Create a dedicated sandbox server in dashboard | Full send pipeline without delivery | |
| 94 | | Bounce testing | `[email protected]` | Testing bounce webhook handlers | |
| 95 | |
| 96 | See [references/testing.md](references/testing.md) for full testing setup and domain warm-up schedules. |
Scanned on Feb 27, 2026
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/learn @activecampaign/postmark-email-best-practices