diff --git a/app/config.py b/app/config.py
index d095380b..4014ec8f 100644
--- a/app/config.py
+++ b/app/config.py
@@ -267,10 +267,10 @@ UPLOAD_DIR = None
 
 # Greylisting features
 # nb max of activity (forward/reply) an alias can have during 1 min
-MAX_ACTIVITY_DURING_MINUTE_PER_ALIAS = 5
+MAX_ACTIVITY_DURING_MINUTE_PER_ALIAS = 10
 
 # nb max of activity (forward/reply) a mailbox can have during 1 min
-MAX_ACTIVITY_DURING_MINUTE_PER_MAILBOX = 10
+MAX_ACTIVITY_DURING_MINUTE_PER_MAILBOX = 15
 
 if LOCAL_FILE_UPLOAD:
     print("Upload files to local dir")
diff --git a/app/greylisting.py b/app/greylisting.py
index ecd34822..ef38f5c7 100644
--- a/app/greylisting.py
+++ b/app/greylisting.py
@@ -27,7 +27,7 @@ def greylisting_needed_for_alias(alias: Alias) -> bool:
     )
 
     if nb_activity > MAX_ACTIVITY_DURING_MINUTE_PER_ALIAS:
-        LOG.d(
+        LOG.w(
             "Too much forward on alias %s. Nb Activity %s",
             alias,
             nb_activity,
@@ -54,7 +54,7 @@ def greylisting_needed_for_mailbox(alias: Alias) -> bool:
     )
 
     if nb_activity > MAX_ACTIVITY_DURING_MINUTE_PER_MAILBOX:
-        LOG.d(
+        LOG.w(
             "Too much forward on mailbox %s, alias %s. Nb Activity %s",
             alias.mailbox,
             alias,
diff --git a/email_handler.py b/email_handler.py
index e3e3b199..49f773c5 100644
--- a/email_handler.py
+++ b/email_handler.py
@@ -902,7 +902,7 @@ def handle_reply(envelope, msg: Message, rcpt_to: str) -> (bool, str):
                 msg, contact.pgp_finger_print, contact.pgp_public_key
             )
         except PGPException:
-            LOG.exception(
+            LOG.e(
                 "Cannot encrypt message %s -> %s. %s %s", alias, contact, mailbox, user
             )
             # to not save the email_log