diff --git a/lib/Service/BlackListService.php b/lib/Service/BlackListService.php
index 020c58fac70e3e4112cb8aab125e17070d6d3f96..f9a4a4366833578267abb2d2f92c620a3cfc87e1 100644
--- a/lib/Service/BlackListService.php
+++ b/lib/Service/BlackListService.php
@@ -17,6 +17,7 @@ class BlackListService {
 	private $appName;
 	private const BLACKLISTED_DOMAINS_FILE_NAME = 'blacklisted_domains.json';
 	private const BLACKLISTED_DOMAINS_URL = 'https://raw.githubusercontent.com/disposable/disposable-email-domains/master/domains.json';
+	private const POPULAR_DOMAINS_FILE_NAME = 'domains.json';
 
 
 	public function __construct(string $appName, ILogger $logger, IFactory $l10nFactory, IAppData $appData) {
@@ -43,6 +44,7 @@ class BlackListService {
 		$emailDomain = strtolower(end($emailParts));
 		return in_array($emailDomain, $blacklistedDomains);
 	}
+
 	/**
 	 * Update the blacklisted domains data by fetching it from a URL and saving it locally.
 	 *
@@ -120,4 +122,64 @@ class BlackListService {
 		}
 		return true;
 	}
+
+	/**
+	 * Check if an  domain is popular domain a JSON list of popular domains.
+	 *
+	 * @param string $email The email address to check.
+	 * @return bool True if the email domain is popular, false otherwise.
+	 */
+	public function isPopularDomain(string $email): bool {
+		if (!$this->ensureDocumentsFolder()) {
+			return false;
+		}
+		$popularlistedDomains = $this->getPopularlistedDomainData();
+		if (empty($popularlistedDomains)) {
+			return false;
+		}
+		$emailParts = explode('@', $email);
+		$emailDomain = strtolower(end($emailParts));
+		return in_array($emailDomain, $popularlistedDomains);
+	}
+
+	/**
+	 * Retrieve the Popular domain file path
+	 *
+	 * @return ISimpleFile
+	 */
+	private function getPopularDomainsFile(): ISimpleFile {
+		try {
+			$currentFolder = $this->appData->getFolder('/');
+		} catch (NotFoundException $e) {
+			$currentFolder = $this->appData->newFolder('/');
+		}
+		$filename = self::POPULAR_DOMAINS_FILE_NAME;
+		if ($currentFolder->fileExists($filename)) {
+			return $currentFolder->getFile($filename);
+		}
+		return $currentFolder->newFile($filename);
+	}
+
+	/**
+	 * Retrieve the Popular domain data.
+	 *
+	 * @return array The array of popular domains.
+	 */
+	public function getPopularlistedDomainData(): array {
+		$document = self::POPULAR_DOMAINS_FILE_NAME;
+		$file = $this->getPopularDomainsFile();
+		try {
+			$popularlistedDomainsInJson = $file->getContent();
+			if (empty($popularlistedDomainsInJson)) {
+				return [];
+			}
+			return json_decode($popularlistedDomainsInJson, true, 512, JSON_THROW_ON_ERROR);
+		} catch (NotFoundException $e) {
+			$this->logger->warning('Popular domains file ' . $document . ' not found!');
+			return [];
+		} catch (\Throwable $e) {
+			$this->logger->warning('Error decoding Popular domains file ' . $document . ': ' . $e->getMessage());
+			return [];
+		}
+	}
 }
diff --git a/lib/Service/RecoveryEmailService.php b/lib/Service/RecoveryEmailService.php
index 0fe18447e926ecdf79a2c14559dfea77d0ab4826..ded7ae2a9afa2a761ceb6bbf1aba6556f1b15468 100644
--- a/lib/Service/RecoveryEmailService.php
+++ b/lib/Service/RecoveryEmailService.php
@@ -135,6 +135,10 @@ class RecoveryEmailService {
 				$this->logger->info("User ID $username's requested recovery email address domain is blacklisted. Please provide another recovery address.");
 				throw new BlacklistedEmailException($l->t('The domain of this email address is blacklisted. Please provide another recovery address.'));
 			}
+			if ($this->blackListService->isNotPopularDomain($recoveryEmail)) {
+				$this->logger->info("User ID $username's requested recovery email address domain is popular domain");
+			}
+			echo "test";
 		}
 		return true;
 	}