diff --git a/README.md b/README.md index cd28034..35dcd10 100644 --- a/README.md +++ b/README.md @@ -1,24 +1,23 @@ # Lacre Project +**Lacre** (wax seal in Portuguese) is an add-on for Postfix that automatically +encrypts incoming email before delivering it to recipients' inbox for +recipients that have provided their public keys. + Lacre is a fork and continuation of the original work on [gpg-mailgate](https://github.com/TheGreatGooo/gpg-mailgate) project. It is still actively developed and should be considered as beta -- with all APIs and internals being subject to change. Please only use this software if you know GnuPG well and accept occasional failures. -**Lacre** (wax seal in Portuguese) is a -[content filter](https://www.postfix.org/FILTER_README.html) -for Postfix that automatically encrypts incoming email using GnuPG for -recipients that have provided their public keys. - -All incoming emails are automatically encrypted with users' public keys before -they are saved in the inbox. - # How it works -When Postfix receives a message, it "forwards" that message to Lacre. +Lacre is a [content filter](https://www.postfix.org/FILTER_README.html). This +means, that when Postfix receives a message, it "forwards" that message to +Lacre and if Lacre delivers it to a given destination, the message arrives to +recipient's inbox. -Then, Lacre does the following: +After receiving the message, Lacre does the following: 1. If message already is encrypted, it just delivers the message immediately. 2. Checks the list of recipients, finds their public keys if any were