diff --git a/bureau/admin/mail_edit.php b/bureau/admin/mail_edit.php
index 12cc79a9..6ff77f3d 100644
--- a/bureau/admin/mail_edit.php
+++ b/bureau/admin/mail_edit.php
@@ -55,7 +55,7 @@ if ($error_edit) {
 	<tr><th colspan="2"><input type="hidden" name="email" value="<?php echo $email; ?>" />
 <input type="hidden" name="domain" value="<?php echo $domain; ?>" />
 <?php printf(_("Edit the mailbox %s"),$email); ?></th></tr>
-	<tr><td><label for="ispop"><?php __("Is it a POP account?"); ?></label></td><td><input id="ispop" type="checkbox" class="inc" name="pop" value="1" <?php if ($pop=="1") echo "checked=\"checked\""; ?> /></td></tr>
+	<tr><td><label for="ispop"><?php __("Is it a POP account?"); ?></label></td><td><input id="ispop" type="checkbox" class="inc" name="pop" value="1" <?php if ($pop=="1") echo "checked=\"checked\""; ?> /><?php if ($pop) { __("WARNING: turning POP off will DELETE the mailbox and its content"); }?></td></tr>
 	<tr><td><label for="pass"><?php __("POP password"); ?></label></td><td><input type="password" class="int" name="pass" id="pass" value="<?php echo $pass; ?>" size="20" maxlength="32" /></td></tr>
 	<tr><td><label for="passconf"><?php __("Confirm password"); ?></label></td><td><input type="password" class="int" name="passconf" id="passconf" value="<?php echo $pass; ?>" size="20" maxlength="32" /></td></tr>
 	<tr><td><label for="alias"><?php __("Other recipients"); ?></label></td><td>(<?php __("One email per line"); ?>)<br /><textarea class="int" cols="32" rows="5" name="alias" id="alias"><?php echo $alias; ?></textarea></td></tr>