fix: Allow multiple characters after + in email

match (neither @ nor +) multiple times to replace, this allows adding more than one char after the + to an email previously something like test+test@adornis.de would not have been allowed, only something like test+t@adornis.de.

modules/mails/server/whitelist.ts

@@ -54,5 +54,5 @@ function _isInDomainWhitelist(address: string, domainWhitelist?: string[]) {
 
 function _isInEmailWhitelist(address: string, emailWhitelist?: string[]) {
   if (!emailWhitelist) return false;
-  return emailWhitelist.includes(address) || emailWhitelist.includes(address.replace(/\+[^@+]@/, '@'));
+  return emailWhitelist.includes(address) || emailWhitelist.includes(address.replace(/\+[^@+]+@/, '@'));
 }