diff --git a/api/src/Mail/Imap.php b/api/src/Mail/Imap.php
index ce91a289fc..341dd7e5bb 100644
--- a/api/src/Mail/Imap.php
+++ b/api/src/Mail/Imap.php
@@ -65,7 +65,7 @@ class Imap extends Horde_Imap_Client_Socket implements Imap\PushIface
 	 * @var array
 	 */
 	static public $default_params = array(
-		//'debug' => '/tmp/imap.log', // uncomment to log communitcation with IMAP server
+		//'debug' => '/tmp/imap.log', // uncomment to log communication with IMAP server
 		//'debug_literal' => true,    // uncomment to log mail contents returned by IMAP server
 		'cache' => true,              // default caching via Cache / Api\Cache
 	);
@@ -1562,4 +1562,4 @@ class Imap extends Horde_Imap_Client_Socket implements Imap\PushIface
 			in_array($this->acc_imap_host.':'.$this->acc_imap_port, self::$hosts_with_push));
 	}
 }
-Imap::init_static();
+Imap::init_static();
\ No newline at end of file
diff --git a/api/src/Mail/Imap/Cyrus.php b/api/src/Mail/Imap/Cyrus.php
index 28b615b4cd..ea1b059f89 100644
--- a/api/src/Mail/Imap/Cyrus.php
+++ b/api/src/Mail/Imap/Cyrus.php
@@ -61,7 +61,7 @@ class Cyrus extends Mail\Imap
 	 */
 	function deleteAccount($_hookValues)
 	{
-		// some precausion to really delete just _one_ account
+		// some precaution to really delete just _one_ account
 		if (strpos($_hookValues['account_lid'],'%') !== false ||
 			strpos($_hookValues['account_lid'],'*') !== false)
 		{
@@ -230,4 +230,4 @@ class Cyrus extends Mail\Imap
 		}
 		return parent::__call($name, $params);
 	}
-}
+}
\ No newline at end of file
diff --git a/api/src/Mail/Imap/Dovecot.php b/api/src/Mail/Imap/Dovecot.php
index 6eabe2aa04..c76e392742 100644
--- a/api/src/Mail/Imap/Dovecot.php
+++ b/api/src/Mail/Imap/Dovecot.php
@@ -73,7 +73,7 @@ class Dovecot extends Mail\Imap
 			$this->params['acc_imap_admin_username'] = substr($this->acc_imap_admin_username, $pos+1);
 		}
 		$this->params['acc_imap_admin_username'] = (is_string($_username) ? $_username : $this->acc_imap_username).
-			'*'.$this->acc_imap_admin_username;
+			'*'.$this->params['acc_imap_admin_username'];
 
 		parent::adminConnection($_username);
 	}
@@ -282,4 +282,4 @@ class Dovecot extends Mail\Imap
 		return true;
 	}
 
-}
+}
\ No newline at end of file
diff --git a/api/src/Mail/Smtp/Sql.php b/api/src/Mail/Smtp/Sql.php
index 7e20377cf7..99c55d5b27 100644
--- a/api/src/Mail/Smtp/Sql.php
+++ b/api/src/Mail/Smtp/Sql.php
@@ -404,4 +404,4 @@ class Sql extends Mail\Smtp
 
 		return true;
 	}
-}
+}
\ No newline at end of file