Bugs / Support
Mosquitto bug information can be found on Launchpad.
The new mailing list is hosted at eclipse: https://dev.eclipse.org/mailman/listinfo/mosquitto-dev.
There is an old user mailing list for mosquitto on launchpad: mosquitto-users. You can view the archives but it is recommended to join the eclipse mailing list instead now.
If you’re familiar with irc, feel free to come join us on the freenode network in channel #mqtt.
Any other questions/suggestions should be directed to Roger Light <roger_atchoo_org>. Replace the _ with @ and . respectively, or on twitter as ralight.
If you’re interested in the development side of mosquitto, please join in on the mosquitto-devel mailing list.