diff --git a/lib/Service/DomainService.php b/lib/Service/DomainService.php
index ad7b4804f660557b540333ad4dfd49fc23557e58..4e1aac71e5474e6e0f39a170908a55d21675ee3c 100644
--- a/lib/Service/DomainService.php
+++ b/lib/Service/DomainService.php
@@ -57,7 +57,7 @@ class DomainService {
 	 * Check if an email belongs to a custom blacklist domain.
 	 */
 	public function isDomainInCustomBlacklist(string $email, IL10N $l): bool {
-		$domains = $this->getDomainsFromFile(self::DISPOSABLE_DOMAINS_FILE, $l);
+		$domains = $this->getDomainsFromLargeFile(self::DISPOSABLE_DOMAINS_FILE, $l);
 		return $this->isDomainInList($email, $domains);
 	}
 
@@ -77,7 +77,7 @@ class DomainService {
 		$cleanRelatedDomains = array_map(fn ($relatedDomain) => preg_replace('/[\x00-\x1F\x7F]/', '', $relatedDomain), $relatedDomains);
 	
 		// Get existing domains from the file
-		$domains = $this->getDomainsFromFile(self::DISPOSABLE_DOMAINS_FILE, $l);
+		$domains = $this->getDomainsFromLargeFile(self::DISPOSABLE_DOMAINS_FILE, $l);
 	
 		// Merge, deduplicate, and sanitize
 		$newDomains = array_unique(array_merge($domains, [$cleanDomain], $cleanRelatedDomains));
@@ -139,6 +139,70 @@ private function getDomainsFromFile(string $filename, IL10N $l): array {
 		throw new \RuntimeException($l->t('The email could not be verified. Please try again later.'));
 	}
 }
+
+/**
+ * Get domains from a file.
+ */
+	private function getDomainsFromLargeFile(string $filename, IL10N $l): array {
+		try {
+			// Get the file object
+			$file = $this->getDomainsFile($filename);
+	
+			// Write the file content to a temporary file
+			$tempFilePath = tempnam(sys_get_temp_dir(), 'nc_');
+			file_put_contents($tempFilePath, $file->getContent());
+	
+			// Open the temporary file for streaming
+			$handle = fopen($tempFilePath, 'r');
+			if (!$handle) {
+				unlink($tempFilePath); // Clean up if opening fails
+				$this->logger->warning("File $filename not found. Returning an empty domain list.");
+				return [];
+			}
+	
+			$buffer = '';
+			$insideArray = false;
+			$result = [];
+	
+			// Read the file in chunks and parse it incrementally
+			while (!feof($handle)) {
+				$chunk = fread($handle, 8192); // Read 8KB at a time
+				$buffer .= $chunk;
+	
+				// Start processing when the array opening bracket '[' is detected
+				if (!$insideArray && strpos($buffer, '[') !== false) {
+					$insideArray = true;
+					$buffer = substr($buffer, strpos($buffer, '[') + 1);
+				}
+	
+				// Parse individual elements from the JSON array
+				while (($pos = strpos($buffer, ',')) !== false || strpos($buffer, ']') !== false) {
+					$delimiter = strpos($buffer, ',') !== false ? strpos($buffer, ',') : strpos($buffer, ']');
+					$jsonElement = substr($buffer, 0, $delimiter);
+	
+					// Clean and add the parsed element to the result array
+					$jsonElement = trim($jsonElement, "\" \n\r\t");
+					if (!empty($jsonElement)) {
+						$result[] = $jsonElement;
+					}
+	
+					$buffer = substr($buffer, $delimiter + 1);
+					if (strpos($buffer, ']') === 0) {
+						fclose($handle);
+						unlink($tempFilePath); // Clean up the temporary file
+						return $result; // Return the parsed array
+					}
+				}
+			}
+	
+			fclose($handle);
+			unlink($tempFilePath); // Clean up the temporary file
+			return $result;
+		} catch (\Throwable $e) {
+			$this->logger->error("Error reading $filename: " . $e->getMessage());
+			throw new \RuntimeException($l->t('The email could not be verified. Please try again later.'));
+		}
+	}
 	/**
 	 * Save domains to a file.
 	 */
diff --git a/lib/Service/RecoveryEmailService.php b/lib/Service/RecoveryEmailService.php
index c1001ec62e2a44e3794f2ca94d6fc8b400a7c167..e4532ff28eafad6f7210287777a6441704d44ab9 100644
--- a/lib/Service/RecoveryEmailService.php
+++ b/lib/Service/RecoveryEmailService.php
@@ -137,7 +137,6 @@ class RecoveryEmailService {
 		}
 	
 		if ($this->domainService->isDomainInCustomBlacklist($recoveryEmail, $l)) {
-			\OC::$server->getLogger()->logger("found in custom disposable domain list");
 			//throw new \Exception($l->t('The provided email domain is a disposable domain and cannot be used.'));
 			throw new BlacklistedEmailException($l->t('The email address is disposable. Please provide another recovery address.'));
 		}