diff --git a/dd-apps/docker/nextcloud/dd-patch b/dd-apps/docker/nextcloud/dd-patch
index 0084ea6..6b6c523 100644
--- a/dd-apps/docker/nextcloud/dd-patch
+++ b/dd-apps/docker/nextcloud/dd-patch
@@ -1,9 +1,6 @@
 # Generate .orig and .patch files with ./dd-ctl genpatches
 # file	license	author	source
 nginx.conf	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/nextcloud/docker/522559eefdd56d2e49259c3b0f4a0e92882cdb87/.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/nginx.conf
-#nc_mail/appinfo.xml	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/MaadixNet/mail/feature/occ-account-update-command/appinfo/info.xml
-#nc_mail/lib/Command/UpdateAccount.php	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/MaadixNet/mail/feature/occ-account-update-command/lib/Command/UpdateAccount.php
-#nc_mail/lib/Db/MailAccountMapper.php	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/MaadixNet/mail/feature/occ-account-update-command/lib/Db/MailAccountMapper.php
-nc_mail/appinfo/info.xml	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/nextcloud/mail/v1.12.8/appinfo/info.xml
-nc_mail/lib/Command/UpdateAccount.php	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/nextcloud/mail/v1.12.8/lib/Command/UpdateAccount.php
-nc_mail/lib/Db/MailAccountMapper.php	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/nextcloud/mail/v1.12.8/lib/Db/MailAccountMapper.php
+nc_mail/appinfo/info.xml	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/nextcloud/mail/v1.15.1/appinfo/info.xml
+nc_mail/lib/Command/UpdateAccount.php	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/nextcloud/mail/1e777a1783254bd4b7f69f39a6c5123323f8b701/lib/Command/UpdateAccount.php
+nc_mail/lib/Db/MailAccountMapper.php	AGPL-3.0-or-later	https://github.com/nextcloud/	https://raw.githubusercontent.com/nextcloud/mail/1e777a1783254bd4b7f69f39a6c5123323f8b701/lib/Db/MailAccountMapper.php
diff --git a/dd-apps/docker/nextcloud/nc_mail/appinfo/info.xml b/dd-apps/docker/nextcloud/nc_mail/appinfo/info.xml
index a7e8311..ba54672 100644
--- a/dd-apps/docker/nextcloud/nc_mail/appinfo/info.xml
+++ b/dd-apps/docker/nextcloud/nc_mail/appinfo/info.xml
@@ -12,7 +12,7 @@
 - **🙈 We’re not reinventing the wheel!** Based on the great [Horde](https://horde.org) libraries.
 - **📬 Want to host your own mail server?** We do not have to reimplement this as you could set up [Mail-in-a-Box](https://mailinabox.email)!
 	]]></description>
-	<version>1.12.8</version>
+	<version>1.15.1</version>
 	<licence>agpl</licence>
 	<author>Greta Doçi</author>
 	<author homepage="https://github.com/nextcloud/groupware">Nextcloud Groupware Team</author>
@@ -29,8 +29,8 @@
 	<repository type="git">https://github.com/nextcloud/mail.git</repository>
 	<screenshot>https://user-images.githubusercontent.com/1374172/79554966-278e1600-809f-11ea-82ea-7a0d72a2704f.png</screenshot>
 	<dependencies>
-		<php min-version="7.3" max-version="8.0" />
-		<nextcloud min-version="21" max-version="24" />
+		<php min-version="7.4" max-version="8.1" />
+		<nextcloud min-version="23" max-version="25" />
 	</dependencies>
 	<background-jobs>
 		<job>OCA\Mail\BackgroundJob\CleanupJob</job>
diff --git a/dd-apps/docker/nextcloud/nc_mail/lib/Db/MailAccountMapper.php b/dd-apps/docker/nextcloud/nc_mail/lib/Db/MailAccountMapper.php
index 6c5113b..626708e 100644
--- a/dd-apps/docker/nextcloud/nc_mail/lib/Db/MailAccountMapper.php
+++ b/dd-apps/docker/nextcloud/nc_mail/lib/Db/MailAccountMapper.php
@@ -37,7 +37,6 @@ use OCP\IUser;
  * @template-extends QBMapper<MailAccount>
  */
 class MailAccountMapper extends QBMapper {
-
 	/**
 	 * @param IDBConnection $db
 	 */
@@ -97,22 +96,6 @@ class MailAccountMapper extends QBMapper {
 
 		return $this->findEntities($query);
 	}
-	/**
-	 * Finds an mail account by user id and email address
-	 *
-	 * @return MailAccount
-	 * @throws DoesNotExistException
-	 */
-	public function findByUserIdAndEmail(string $userId, string $email): MailAccount {
-		$qb = $this->db->getQueryBuilder();
-		$query = $qb
-			->select('*')
-			->from($this->getTableName())
-			->where($qb->expr()->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR), IQueryBuilder::PARAM_STR))
-			->andWhere($qb->expr()->eq('email', $qb->createNamedParameter($email, IQueryBuilder::PARAM_STR), IQueryBuilder::PARAM_STR));
-
-		return $this->findEntity($query);
-	}
 
 	/**
 	 * @throws DoesNotExistException