diff --git a/README.md b/README.md index 60910e0..e9676c8 100644 --- a/README.md +++ b/README.md @@ -28,6 +28,29 @@ The Box Mail-in-a-Box turns a fresh Ubuntu 14.04 LTS 64-bit machine into a working mail server, including SMTP ([postfix](http://www.postfix.org/)), IMAP ([dovecot](http://dovecot.org/)), Exchange ActiveSync ([z-push](https://github.com/fmbiete/Z-Push-contrib)), webmail ([Roundcube](http://roundcube.net/)), spam filtering ([spamassassin](https://spamassassin.apache.org/)), greylisting ([postgrey](http://postgrey.schweikert.ch/)), CardDAV/CalDAV ([ownCloud](http://owncloud.org/)), DNS, [SPF](https://en.wikipedia.org/wiki/Sender_Policy_Framework), DKIM ([OpenDKIM](http://www.opendkim.org/)), [DMARC](https://en.wikipedia.org/wiki/DMARC), [DNSSEC](https://en.wikipedia.org/wiki/DNSSEC), [DANE TLSA](https://en.wikipedia.org/wiki/DNS-based_Authentication_of_Named_Entities), [SSHFP](https://tools.ietf.org/html/rfc4255), and basic system services like a firewall, intrusion protection, and setting the system clock. +Authenticity +------------ + +I sign the release tags. To verify that a tag is signed by me, you can perform the following steps: + + # Download my PGP key. + $ curl -s https://keybase.io/joshdata/key.asc | gpg --import + gpg: key C10BDD81: public key "Joshua Tauberer " imported + + # Clone this repository. + $ git clone https://github.com/mail-in-a-box/mailinabox + $ cd mailinabox + + # Verify the tag. + $ git verify-tag v0.08 + gpg: Signature made ..... using RSA key ID C10BDD81 + gpg: Good signature from "Joshua Tauberer " + gpg: WARNING: This key is not certified with a trusted signature! + gpg: There is no indication that the signature belongs to the owner. + Primary key fingerprint: 5F4C 0E73 13CC D744 693B 2AEA B920 41F4 C10B DD81 + +The key ID and fingerprint above should match my [Keybase.io key](https://keybase.io/joshdata) and the fingerprint I publish on [my homepage](https://razor.occams.info/). + The Acknowledgements --------------------