# Postal Mime v2.6.1

- Product: Postal Mime (https://whatsnew.fyi/product/postal-mime)
- Vendor: Postal Systems
- Date: 2025-11-26
- Version: v2.6.1
- Original notes: https://github.com/postalsys/postal-mime/releases/tag/v2.6.1
- Permalink: https://whatsnew.fyi/product/postal-mime/releases/v2.6.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **security** — Prevent DoS from deeply nested address groups
- **fixed** — Update TypeScript typings to match source code

##### [2.6.1](https://github.com/postalsys/postal-mime/compare/v2.6.0...v2.6.1) (2025-11-26)


###### Bug Fixes

* prevent DoS from deeply nested address groups ([f509eaf](https://github.com/postalsys/postal-mime/commit/f509eafec31bf448482133041c086f7aefa2b3fa))
* update TypeScript typings to match source code ([df5640a](https://github.com/postalsys/postal-mime/commit/df5640a3166b0a1fe3ca563e1364301bb4e6a025))