foxcpp/maddy

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✉️ Composable all-in-one mail server.

Stars: 6.1k
Forks: 327
Open beginner issues: 0
Indexed issues: 128

Dominant language: Go
License: GPL-3.0
Last GitHub push: Jul 13, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Open All

128 open issues indexed

Maildir storage backend Open

new feature storage

foxcpp/maddy#6 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Transparent PGP Open

new feature rfc

foxcpp/maddy#10 · 14 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Local mail delivery backend Open

new feature storage

foxcpp/maddy#13 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add JMAP server support Open

new feature

foxcpp/maddy#19 · 7 comments · 15 reactions · 0 assignees · Indexed Sep 16, 2026
ARC support Open

new feature rfc

foxcpp/maddy#46 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Sieve filters support Open

filter help wanted new feature

foxcpp/maddy#53 · 10 comments · 12 reactions · 0 assignees · Indexed Sep 16, 2026
autoconfig support Open

new feature rfc

foxcpp/maddy#67 · 13 comments · 6 reactions · 0 assignees · Indexed Sep 16, 2026
Anti-backscatter measures (BATV?) Open

mta-out rfc security

foxcpp/maddy#106 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Add a set of microbenchmarks to the test suite Open

foxcpp/maddy#147 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
endpoint/smtp: Allow to disable rDNS lookup Open

good first issue mta-in

foxcpp/maddy#150 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
IPC interface Open

foxcpp/maddy#152 · 8 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Ensure security for DMARC report generation Open

mta-in mta-out security

foxcpp/maddy#153 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Add modifiers to rewrite headers Open

blocked filter

foxcpp/maddy#158 · 8 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
require_matching_ehlo, dnsbl: Exclude 127.0.0.1/24 clients from the check Open

filter good first issue new feature

foxcpp/maddy#162 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
SASL OAUTHBEARER support Open

auth imap mta-in ready-for-release

foxcpp/maddy#169 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
remote: Fix support for IP literals in recipient addresses Open

bug good first issue mta-out

foxcpp/maddy#176 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Downgrade protection for Opportunistic Security schemes for SMTP Open

mta-in mta-out rfc security

foxcpp/maddy#178 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add the "alert" logging level Open

new feature

foxcpp/maddy#182 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Implement maddyctl imap-fsck Open

go-imap-sql imap new feature

foxcpp/maddy#189 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Rename source code entities to match user documentation Open

foxcpp/maddy#194 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Delivery to a system command Open

mta-out new feature

foxcpp/maddy#204 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
DMARC report generation Open

mta-in security

foxcpp/maddy#206 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Rewrite queue deserialization to pass all tests in DeserializationCleanUp Open

good first issue

foxcpp/maddy#209 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Update build environment used for release artifacts Open

foxcpp/maddy#233 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Cyrus SASL client Open

auth help wanted

foxcpp/maddy#256 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Maildir delivery target Open

good first issue mta-in new feature

foxcpp/maddy#260 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Create abstraction for SMTP queue storage Open

mta-out rfc

foxcpp/maddy#262 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add more Prometheus metrics Open

good first issue help wanted rfc

foxcpp/maddy#264 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Meta: Make distributed deployments possible Open

auth go-imap go-imap-sql imap

foxcpp/maddy#279 · 5 comments · 4 reactions · 0 assignees · Indexed Sep 16, 2026
Add appropriate state_dir/runtime_dir values for non-Linux platforms Open

good first issue

foxcpp/maddy#290 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Implement wildduck's storage architecture for efficiency and scalability Open

new feature

foxcpp/maddy#291 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Implement greylisting Open

filter mta-in

foxcpp/maddy#295 · 1 comment · 8 reactions · 0 assignees · Indexed Sep 16, 2026
Documentation for TLS certificates managed by Caddy Open

documentation good first issue

foxcpp/maddy#296 · 7 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Static IP filter for SMTP Open

filter mta-in

foxcpp/maddy#297 · 5 comments · 5 reactions · 0 assignees · Indexed Sep 16, 2026
SQL table blob storage Open

good first issue storage

foxcpp/maddy#305 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Improve Dockerfile/Docker image Open

good first issue

foxcpp/maddy#323 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
"Deferred" status DSNs Open

mta-out new feature rfc

foxcpp/maddy#326 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
SMTP DSN extension support Open

go-smtp mta-in new feature

foxcpp/maddy#329 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Missing documentation for variables syntax Open

documentation

foxcpp/maddy#335 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
DNSSEC support for Windows Open

good first issue help wanted

foxcpp/maddy#338 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Setup $(local_domains) from table instead of maddy.conf Open

new feature

foxcpp/maddy#340 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Extend IMAP account auto-creation Open

go-imap-sql mta-in

foxcpp/maddy#341 · 0 comments · 5 reactions · 0 assignees · Indexed Sep 16, 2026
Research and relevant mitigations for ALPACA attack Open

security

foxcpp/maddy#357 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Add OCSP stapling for both client and server Open

help wanted new feature

foxcpp/maddy#363 · 9 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Support HAProxy's PROXY protocol for SMTP and IMAP Open

imap mta-in

foxcpp/maddy#369 · 7 comments · 3 reactions · 1 assignee · Indexed Sep 16, 2026
Enforce reasonable timeouts for all routines Open

foxcpp/maddy#370 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ACME client: Support EAB Open

good first issue new feature

foxcpp/maddy#372 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ACME client: Support Consul storage for TLS certificates Open

good first issue help wanted new feature

foxcpp/maddy#373 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
ACME client: http-01 challenge Open

new feature

foxcpp/maddy#374 · 0 comments · 7 reactions · 0 assignees · Indexed Sep 16, 2026
Support XCLIENT in SMTP client and server Open

go-smtp mta-in mta-out

foxcpp/maddy#376 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

foxcpp/maddy

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