diff --git a/.env.enc b/.env.enc
index d9f4d49..8057514 100644
Binary files a/.env.enc and b/.env.enc differ
diff --git a/branding/constants/donation.js b/branding/constants/donation.ts
similarity index 100%
rename from branding/constants/donation.js
rename to branding/constants/donation.ts
diff --git a/branding/constants/emails.js b/branding/constants/emails.ts
similarity index 100%
rename from branding/constants/emails.js
rename to branding/constants/emails.ts
diff --git a/branding/constants/filter.js b/branding/constants/filter.ts
similarity index 100%
rename from branding/constants/filter.js
rename to branding/constants/filter.ts
diff --git a/branding/constants/groups.js b/branding/constants/groups.ts
similarity index 72%
rename from branding/constants/groups.js
rename to branding/constants/groups.ts
index 1c49d3f..029f492 100644
--- a/branding/constants/groups.js
+++ b/branding/constants/groups.ts
@@ -1,5 +1,5 @@
 // this file is duplicated in `backend/src/constants/group.js` and `webapp/constants/group.js`
 export const NAME_LENGTH_MIN = 3
 export const NAME_LENGTH_MAX = 50
-export const DESCRIPTION_WITHOUT_HTML_LENGTH_MIN = 100 // with removed HTML tags
+export const DESCRIPTION_WITHOUT_HTML_LENGTH_MIN = 3 // with removed HTML tags
 export const SHOW_GROUP_BUTTON_IN_HEADER = true
diff --git a/branding/constants/headerMenu.js b/branding/constants/headerMenu.ts
similarity index 100%
rename from branding/constants/headerMenu.js
rename to branding/constants/headerMenu.ts
diff --git a/branding/constants/links.js b/branding/constants/links.ts
similarity index 100%
rename from branding/constants/links.js
rename to branding/constants/links.ts
diff --git a/branding/constants/logos.js b/branding/constants/logos.ts
similarity index 100%
rename from branding/constants/logos.js
rename to branding/constants/logos.ts
diff --git a/branding/constants/metadata.js b/branding/constants/metadata.ts
similarity index 100%
rename from branding/constants/metadata.js
rename to branding/constants/metadata.ts
diff --git a/kubeconfig.yaml.enc b/kubeconfig.yaml.enc
index 71cc17d..de2fd03 100644
Binary files a/kubeconfig.yaml.enc and b/kubeconfig.yaml.enc differ
diff --git a/kubernetes/dns.values.yaml.enc b/kubernetes/dns.values.yaml.enc
index 2cbe758..eaf5fdf 100644
Binary files a/kubernetes/dns.values.yaml.enc and b/kubernetes/dns.values.yaml.enc differ
diff --git a/kubernetes/values.yaml.enc b/kubernetes/values.yaml.enc
index 53b394d..9fc21ad 100644
Binary files a/kubernetes/values.yaml.enc and b/kubernetes/values.yaml.enc differ
diff --git a/kubernetes/values.yaml.template b/kubernetes/values.yaml.template
index 4171b2f..22e69ca 100644
--- a/kubernetes/values.yaml.template
+++ b/kubernetes/values.yaml.template
@@ -29,6 +29,11 @@ BACKEND:
   # SMTP_PORT: "465"
   # SMTP_IGNORE_TLS: 'true'
   # SMTP_SECURE: 'true' # true for 465, false for other ports
+  # optional
+  SMTP_DKIM_DOMAINNAME: ocelot.social
+  SMTP_DKIM_KEYSELECTOR: 2017
+  # all newlines in one line with "\\n". multi line doesn't work with Helm
+  SMTP_DKIM_PRIVATKEY: "-----BEGIN RSA PRIVATE KEY-----\\n<private.key>\\n-----END RSA PRIVATE KEY-----\\n"
 
   # most likely you don't need to change this
   MIN_READY_SECONDS: "15"