ee1301f4f8
1767: Remove "CHUNKING" capability from nginx-smtp r=mergify[bot] a=Nebukadneza ## What type of PR? bug-fix ## What does this PR do? With `CHUNKING`set as a capability, nginx advertises this capability to clients at a stage where the SMTP dialog does not seem to be forwarded to the proxy-target (postfix) yet. Nginx' SMTP parser itself does not support the `BDAT` command issued as part of a chunke-d dialog. This makes Nginx respond with a `250 2.0.0 OK` and close the connection, after the mail-data got sent by the client — without forwarding this to the proxy-target. With this, users mail can be lost. Furthermore, when a user uses a sieve filter to forward mail, dovecot sometimes chunks the forwarded mail when sending it through `front`. These forwards then fail. Removing `CHUNKING` from the capabilities fixes this behavior. ### Related issue(s) closes #1766 Co-authored-by: Dario Ernst <dario@kanojo.de> |
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README.md
Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware.
Most of the documentation is available on our Website, you can also try our demo server before setting up your own, and come talk to us on Matrix.
Features
Main features include:
- Standard email server, IMAP and IMAP+, SMTP and Submission
- Advanced email features, aliases, domain aliases, custom routing
- Web access, multiple Webmails and administration interface
- User features, aliases, auto-reply, auto-forward, fetched accounts
- Admin features, global admins, announcements, per-domain delegation, quotas
- Security, enforced TLS, Letsencrypt!, outgoing DKIM, anti-virus scanner
- Antispam, auto-learn, greylisting, DMARC and SPF
- Freedom, all FOSS components, no tracker included
Contributing
Mailu is free software, open to suggestions and contributions. All components are free software and compatible with the MIT license. All specific configuration files, Dockerfiles and code are placed under the MIT license.