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chatmail · GitHub
chatmail
home of chatmail server, core Rust library and bindings infrastructure
Chatmail makes e-mail fun, secure and instant Chatmail aims to comprehensively modernize the e-mail system to become fast, reliable and secure.
It involves two key complementary project areas:
chatmail relay is the main template to deploy a minimal and
fast e-mail server providing instant onboarding and cryptographically secured interoperability.
chatmail core Rust library serves
a higher level chat messaging API and automatically manages
DNS, TLS, HTTPS, SMTP, IMAP, MIME, OpenPGP and Iroh-based Peer-to-Peer realtime messaging,
and includes the SecureJoin protocol
for protection against active attacks (MITM attacks).
Both areas have undergone several independent security audits and analysis and are actively developed.
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chatmail service deployment scripts and docs
Python
325
44
Chatmail Rust Core library, used by Android/iOS/desktop chatmail apps, bindings and bots 📧
Rust
809
117
Async IMAP implementation in Rust
Rust
128
26
Async Rust implementation of SMTP
Rust
68
15
Formal specifications for chatmail
TLA
4
3
Database of Email Providers and how well they work with chatmail
HTML
64
37
Repositories
Showing 10 of 22 repositories
core
Public
Chatmail Rust Core library, used by Android/iOS/desktop chatmail apps, bindings and bots 📧
chatmail/core’s past year of commit activity
relay
Public
chatmail service deployment scripts and docs
chatmail/relay’s past year of commit activity
dcrpcgen
Public
Automatic code generation for the Delta Chat JSON-RPC API
chatmail/dcrpcgen’s past year of commit activity
Python
2
GPL-3.0
1
1
1
Updated Dec 13, 2025
chatmail/notifiers’s past year of commit activity
Rust
9
Apache-2.0
3
2
2
Updated Dec 13, 2025
cmsend
Public
CLI for sending end-to-end encrypted chatmail messages between systems
chatmail/cmsend’s past year of commit activity
Python
1
MPL-2.0
0
1
0
Updated Nov 29, 2025
chatmail/merch’s past year of commit activity
1
0
0
0
Updated Nov 26, 2025
cmping
Public
chatmail relay ping program
chatmail/cmping’s past year of commit activity
Python
1
MPL-2.0
0
0
0
Updated Nov 23, 2025
chatmail/dovecot’s past year of commit activity
C
2
4
1
0
Updated Oct 28, 2025
chatmail/rpc-client-go’s past year of commit activity
Go
12
MPL-2.0
2
2
3
Updated Oct 11, 2025
jni
Public
JNI bindings for chatmail core library
chatmail/jni’s past year of commit activity
Java
0
1
0
0
Updated Oct 10, 2025
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