diff --git a/src/mail/mail_constants.py b/src/mail/mail_constants.py
index 98f2aed..7e88937 100755
--- a/src/mail/mail_constants.py
+++ b/src/mail/mail_constants.py
@@ -16,6 +16,7 @@ DOMAN_GMAIL = "gmail.com"
 DOMAIN_GMX = "gmx.com"
 DOMAIN_GMX_FR = "gmx.fr"
 DOMAIN_GMX_US = "gmx.us"
+DOMAIN_GMX_CH = "gmx.ch"
 DOMAIN_ONET = "onet.pl"
 DOMAIN_NAVER = "naver.com"
 DOMAIN_INBOX_LV = "inbox.lv"
@@ -25,8 +26,8 @@ DOMAIN_INCEL_EMAIL = "incel.email"
 DOMAIN_SHITPOSTING_EXPERT = "shitposting.expert"
 DOMAIN_HATESJE_WS = "hatesje.ws"
 DOMAIN_CHILD_PIZZA = "child.pizza"
-DOMAIN_GENOCIDE_FUN= "genocide.fun"
-DOMAIN_DMC_CHAT= "dmc.chat"
+DOMAIN_GENOCIDE_FUN = "genocide.fun"
+DOMAIN_DMC_CHAT = "dmc.chat"
 
 AOL_IMAP_SERVER = "imap.aol.com"
 IMAP_SERVER_163 = "imap.163.com"
@@ -52,9 +53,9 @@ def show_folders(imap) -> list:
     if not isImapClient:
         for i in imap.list()[1]:
             l = i.decode().split(' "/" ')
-            if len(l)>1:
+            if len(l) > 1:
                 folders.append(l[1])
-        if len(folders)==0:
+        if len(folders) == 0:
             folders.append('INBOX')
         return folders
     else:
@@ -71,7 +72,7 @@ def create_imap(login: str):
         imap = IMAPClient(IMAP_SERVER_163, use_uid=True)
     elif DOMAIN_YAHOO in login:
         imap = imaplib.IMAP4_SSL(YAHOO_IMAP_SERVER)
-    elif DOMAIN_GMX in login or DOMAIN_GMX_FR in login or DOMAIN_GMX_US in login:
+    elif DOMAIN_GMX in login or DOMAIN_GMX_FR in login or DOMAIN_GMX_US in login or DOMAIN_GMX_CH in login:
         imap = imaplib.IMAP4_SSL(SERVER_GMX)
     elif DOMAIN_SINA in login:
         # imap = imaplib.IMAP4_SSL(IMAP_SERVER_SINA)