If you whitelist the sender of Cumulus forum notification emails then you should note that the sender will be changing to "forum@hosiene.co.uk" in the near future - on 01 June 2021.
EDIT: note the change.
Welcome to the Cumulus Support forum.
Latest Cumulus MX V4 release 4.1.3 (build 4028) - 20 August 2024
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
Latest Cumulus MX V4 release 4.1.3 (build 4028) - 20 August 2024
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki