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# neomutt-config
Security-focused NeoMutt configuration with multi-account support and anonymous Usenet posting via a mail2news gateway over Tor.
Full write-up: [Posting to Usenet Anonymously with NeoMutt and Mail2News over Tor](https://www.virebent.art/blog/)
---
## Features
- Multi-account IMAP/SMTP (STARTTLS, port 143/587)
- **Mail2news via Tor** — post to Usenet through a `.onion` SMTP gateway, no IP exposed
- **YubiKey PIV Ed25519 signatures** — automatic signing with hardware key (PGP-like clearsign format)
- F7/F9 macro → interactive post script (newsgroup, subject, editor, review, send)
- Ephemeral `.invalid` From address
- No IMAP for the mail2news account — send-only
---
## Requirements
| Package | Purpose |
|------------|-------------------------------|
| `neomutt` | MUA |
| `tor` | Tor daemon (127.0.0.1:9050) |
| `torsocks` | Tor proxy wrapper |
| `swaks` | SMTP test/send tool |
| `vim` | Message editor |
| `yubisigner-cli` | YubiKey PIV signing (optional) |
On Arch:
```bash
pacman -S neomutt tor torsocks swaks
```
On Debian/Ubuntu:
```bash
apt install neomutt tor torsocks swaks
```
### YubiKey signing (optional)
For automatic post signing with YubiKey PIV Ed25519:
1. Install [yubisigner](https://github.com/Ch1ffr3punk/yubisigner) dependencies (Go, piv-go, etc.)
2. Build `yubisigner-cli` wrapper (CLI version of yubisigner GUI)
3. Configure YubiKey PIV slot 9c with Ed25519 key
4. Install `vim-yubisigner` wrapper script
The mail2news account is pre-configured to use `vim-yubisigner` as editor, which automatically signs messages with YubiKey after editing.
---
## Installation
```bash
git clone https://git.virebent.art/virebent/neomutt-config
cd neomutt-config
mkdir -p ~/.config/neomutt/accounts
cp neomuttrc.common ~/.config/neomutt/neomuttrc.common
cp neomuttrc.tor ~/.config/neomutt/neomuttrc.tor
cp colors.mutt ~/.config/neomutt/colors.mutt
cp mailcap ~/.config/neomutt/mailcap
cp accounts/mail2news ~/.config/neomutt/accounts/mail2news
cp scripts/m2n-prompt.sh ~/.config/neomutt/m2n-prompt.sh
chmod +x ~/.config/neomutt/m2n-prompt.sh
```
---
## Mail2news usage
Start Tor, then launch NeoMutt through the Tor profile:
```bash
torsocks neomutt -F ~/.config/neomutt/neomuttrc.tor
```
Press **F9** from the index or pager. Answer the prompts:
```
Newsgroup(s): misc.test
Subject: test post
```
Write your message in the editor, review the draft, send.
The post goes to `mail2news@qee4i7sags6phsvb2yodwecfj7noimfhhalsjktsvikrwotxzis3raad.onion`,
which forwards to the NNTP server and propagates from there.
**Posts are automatically signed** with YubiKey PIV Ed25519 in PGP-like clearsign format if `vim-yubisigner` is configured.
### Send directly from the shell (no NeoMutt)
```bash
torsocks swaks \
--server qee4i7sags6phsvb2yodwecfj7noimfhhalsjktsvikrwotxzis3raad.onion:25 \
--from nobody@virebent.invalid \
--to mail2news@qee4i7sags6phsvb2yodwecfj7noimfhhalsjktsvikrwotxzis3raad.onion \
--header "Newsgroups: misc.test" \
--header "Subject: test post" \
--body "This is a test."
```
---
## File layout
```
~/.config/neomutt/
├── neomuttrc # main profile (clearnet accounts)
├── neomuttrc.common # shared UI/GPG/sidebar settings
├── neomuttrc.tor # Tor profile — sources mail2news account, F9 macro
├── colors.mutt # color theme
├── mailcap # MIME handlers
├── m2n-prompt.sh # mail2news posting script (called by F9)
└── accounts/
├── account1 # example IMAP/SMTP account
├── account2
├── account3
└── mail2news # send-only, onion SMTP, ephemeral From
```
---
## Keybindings
| Key | Action |
|-------|-------------------------|
| F2 | Switch to account 1 |
| F3 | Switch to account 2 |
| F4 | Switch to account 3 |
| F9 | Post to Usenet |
| B | Toggle sidebar |
---
## Gateway address
The mail2news gateway on `virebent.art` accepts unauthenticated SMTP on port 25
and forwards to Peanny NNTP (`peannyjkqwqfynd24p6dszvtchkq7hfkwymi5by5y332wmosy5dwfaqd.onion`) over Tor. No registration required.
```
SMTP/mail2news onion:
qee4i7sags6phsvb2yodwecfj7noimfhhalsjktsvikrwotxzis3raad.onion:25
```
|
