diff --git a/.forgejo/workflows/publish.yml b/.forgejo/workflows/publish.yml
new file mode 100644
index 0000000..fde3206
--- /dev/null
+++ b/.forgejo/workflows/publish.yml
@@ -0,0 +1,20 @@
+on:
+  push:
+    tags:
+      - 'v*'
+jobs:
+  publish:
+    runs-on: based-alpine
+    steps:
+      - uses: actions/checkout@v4
+      - name: setup cache
+        id: uv-cache
+        uses: https://git.ficd.sh/ficd/uv-cache@v1
+      - name: build
+        run: |
+          uv sync
+          uv build
+      - name: publish
+        run: |
+          uv publish --token ${{ secrets.PYPI_TOKEN }}
+
diff --git a/README.md b/README.md
index e09b662..ff2c780 100644
--- a/README.md
+++ b/README.md
@@ -1,22 +1,21 @@
 <h1>Mail Format</h1>
 
 `mailfmt` is a simple plain text email formatter. It's designed to ensure
-consistent paragraph spacing while preserving markdown syntax, email headers,
-sign-offs, and signature blocks.
+consistent paragraph spacing while preserving markdown syntax, email
+headers, sign-offs, and signature blocks.
 
-By default, this script accepts its input on `stdin` and prints to `stdout`.
-This makes it well suited for use as a formatter with a text editor like Kakoune
-or Helix. It has no dependencies besides the standard Python interpreter, and
-was written and tested against Python 3.13.3.
+By default, the command accepts its input on `stdin` and prints to
+`stdout`. This makes it well suited for use as a formatter with a text
+editor like Kakoune or Helix.
 
 <!--toc:start-->
 
 - [Features](#features)
+- [Installation](#installation)
 - [Usage](#usage)
 - [Output Example](#output-example)
 - [Markdown Safety](#markdown-safety)
 - [Aerc Integration](#aerc-integration)
-- [Contributing](#contributing)
 
 <!--toc:end-->
 
@@ -33,9 +32,27 @@ was written and tested against Python 3.13.3.
   - Markdown-style code blocks.
   - Usenet-style signature block at EOF.
   - Sign-offs.
-- If specified, output can be made safe for passing to a Markdown renderer.
-  - Use case: piping the output to `pandoc` to write a `text/html` message. See
-    [Markdown Safety](#markdown-safety).
+- If specified, output can be made safe for passing to a Markdown
+  renderer.
+  - Use case: piping the output to `pandoc` to write a `text/html`
+    message. See [Markdown Safety](#markdown-safety).
+
+## Installation
+
+`mailfmt` is intended for use as a standaole tool. The package is
+available on PyPI as `mailfmt`. I recommend using
+[uv](https://github.com/astral-sh/uv) or `pipx` to install it so the
+`mailfmt` command is available on your path:
+
+```sh
+uv tool install mailfmt
+```
+
+Verify that the installation was successful:
+
+```sh
+mailfmt --help
+```
 
 ## Usage
 
@@ -63,8 +80,7 @@ options:
   -o, --output OUTPUT   Output file. (default: STDOUT)
 
 Author : Daniel Fichtinger
-License: ISC
-Contact: daniel@ficd.ca
+Contact: daniel@ficd.sh
 ```
 
 ## Output Example
@@ -87,8 +103,7 @@ Daniel
 
 -- 
 Daniel
-sr.ht/~ficd
-daniel@ficd.ca
+daniel@ficd.sh
 ```
 
 After:
@@ -110,23 +125,24 @@ Daniel
 
 -- 
 Daniel
-sr.ht/~ficd
-daniel@ficd.ca
+daniel@ficd.sh
 ```
 
 ## Markdown Safety
 
-In some cases, you may want to generate an HTML email. Ideally, you'd want the
-HTML to be generated directly from the plain text message, and for _both_
-versions to be legible and have the same semantics.
+In some cases, you may want to generate an HTML email. Ideally, you'd want
+the HTML to be generated directly from the plain text message, and for
+_both_ versions to be legible and have the same semantics.
 
-Although `mailfmt` was written with Markdown markup in mind, its intended output
-is still the `text/plain` format. If you pass its output directly to a Markdown
-renderer, line breaks in sign-offs and the signature block won't be preserved.
+Although `mailfmt` was written with Markdown markup in mind, its intended
+output is still the `text/plain` format. If you pass its output directly
+to a Markdown renderer, line breaks in sign-offs and the signature block
+won't be preserved.
 
-If you invoke `mailfmt --markdown-safe`, then `\` characters will be appended to
-mark line breaks that would otherwise be squashed, making the output suitable
-for conversion into HTML. Here's an example of one such pipeline:
+If you invoke `mailfmt --markdown-safe`, then `\` characters will be
+appended to mark line breaks that would otherwise be squashed, making the
+output suitable for conversion into HTML. Here's an example of one such
+pipeline:
 
 ```bash
 cat message.txt | mailfmt --markdown-safe | pandoc -f markdown -t html
@@ -152,24 +168,20 @@ Daniel \
 
 --  \
 Daniel \
-sr.ht/~ficd \
-daniel@ficd.ca \
+daniel@ficd.sh \
 ```
 
 ## Aerc Integration
 
-For integration with `aerc`, consider adding the following to your `aerc.conf`:
+For integration with `aerc`, consider adding the following to your
+`aerc.conf`:
 
 ```ini
 [multipart-converters]
 text/html=mailfmt --markdown-safe | pandoc -f markdown -t html --standalone
 ```
 
-When you're done writing your email, you can call the `:multipart text/html`
-command to generate a `multipart/alternative` message which includes _both_ your
-original `text/plain` _and_ the newly generated `text/html` content.
-
-## Contributing
-
-Please send patches, requests, and concerns to my
-[public inbox](https://lists.sr.ht/~ficd/public-inbox).
+When you're done writing your email, you can call the
+`:multipart text/html` command to generate a `multipart/alternative`
+message which includes _both_ your original `text/plain` _and_ the newly
+generated `text/html` content.
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..b0828ed
--- /dev/null
+++ b/justfile
@@ -0,0 +1,21 @@
+clean:
+    #!/bin/sh
+    if [ ! -d "dist" ] && [ ! -d "__pycache__" ]; then
+        echo "Nothing to clean."
+        exit 0
+    fi
+    if [ -d "dist" ]; then
+        echo "Removing dist/"
+        rm -r dist/
+    fi
+    if [ -d "__pycache__" ]; then
+        echo "Removing __pycache__/"
+        rm -r "__pycache__"
+    fi
+publish:
+    #!/bin/sh
+    just clean
+    uv build
+    export UV_PUBLISH_TOKEN="$(pass show pypi)"
+    uv publish
+
diff --git a/mailfmt.py b/mailfmt.py
index e8d1f7a..995e9aa 100755
--- a/mailfmt.py
+++ b/mailfmt.py
@@ -11,10 +11,11 @@
 # Author: Daniel Fichtinger
 # License: ISC
 
-import textwrap
-import sys
-import re
 import argparse
+import re
+import sys
+import textwrap
+from importlib.metadata import version
 
 
 def main() -> None:
@@ -75,7 +76,7 @@ def main() -> None:
         if not signoff_cache and 1 <= n <= 5 and line[-1] == ",":
             return True
         # second potential line
-        elif signoff_cache and 1 <= n <= 5 and line[-1].isalpha():
+        elif signoff_cache and 1 <= n <= 5:
             for w in words:
                 if not w[0].isupper():
                     return False
@@ -84,14 +85,22 @@ def main() -> None:
             return False
 
     parser = argparse.ArgumentParser(
-        description='Formatter for plain text email.\n"--no-*" options are NOT passed by default.',
+        description="Heuristic formatter for plain text email. Preserves markup, signoffs, and signature blocks.",
         epilog="""
-Author : Daniel Fichtinger
-License: ISC
-Contact: daniel@ficd.ca
+Author    : Daniel Fichtinger
+Repository: https://git.ficd.sh/ficd/mailfmt
+License   : ISC
+Contact   : daniel@ficd.sh
         """,
         formatter_class=argparse.RawDescriptionHelpFormatter,
     )
+    parser.add_argument(
+        "-v",
+        "--version",
+        required=False,
+        help="Print version info and exit.",
+        action="store_true",
+    )
     parser.add_argument(
         "-w",
         "--width",
@@ -161,6 +170,9 @@ Contact: daniel@ficd.ca
         help="Output file. (default: %(default)s)",
     )
     args = parser.parse_args()
+    if args.version:
+        print(version("mailfmt"))
+        exit(0)
     width = args.width
     should_check_signoff = args.no_signoff
     should_check_signature = args.no_signature
diff --git a/pyproject.toml b/pyproject.toml
index d8dedf2..5694f65 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,13 +1,19 @@
 [project]
 name = "mailfmt"
-version = "0.1.0"
-description = "Add your description here"
+version = "1.0.4"
+description = "Heuristic plain text email formatter."
 readme = "README.md"
 authors = [
-    { name = "Daniel Fichtinger", email = "daniel@ficd.ca" }
+    { name = "Daniel Fichtinger", email = "daniel@ficd.sh" }
 ]
 requires-python = ">=3.11"
 dependencies = []
+license = "ISC"
+license-files = ["LICENSE"]
+keywords = ["email", "formatter", "cli"]
+
+[project.urls]
+Repository = "https://git.ficd.sh/ficd/mailfmt"
 
 [project.scripts]
 mailfmt = "mailfmt:main"
diff --git a/uv.lock b/uv.lock
index 6688ee9..029043b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4,5 +4,5 @@ requires-python = ">=3.11"
 
 [[package]]
 name = "mailfmt"
-version = "0.1.0"
+version = "1.0.3"
 source = { editable = "." }