added premium promotion, dropmail.php, dropattach.php, minor update of other files

dropmail.php

@@ -0,0 +1,51 @@
+<?php
+set_time_limit(0);
+
+$newTimezone = 'Europe/London';
+date_default_timezone_set($newTimezone);
+
+$imapDB = json_decode(config('app.settings.imap_settings'), true);
+
+// Mailbox credentials
+$hostname = '{'.$imapDB['host'].':'.$imapDB['premium_port'].'/ssl}INBOX';
+$username = $imapDB['username'];
+$password = $imapDB['password'];
+
+// Connect to mailbox
+$inbox = imap_open($hostname, $username, $password);
+
+// Check for connection errors
+if (!$inbox) {
+    die('Could not connect to mailbox: ' . imap_last_error());
+}
+
+// Get current time in Unix timestamp
+$current_time = time();
+
+// Search for messages older than one day
+$search_criteria = 'BEFORE "' . date('d-M-Y', strtotime('-3 hours', $current_time)) . '"';
+$messages = imap_search($inbox, $search_criteria);
+
+$batch_size = 10;
+$deleted_count = 0;
+
+if ($messages) {
+    $chunks = array_chunk($messages, $batch_size);
+    foreach ($chunks as $chunk) {
+        foreach ($chunk as $message_number) {
+            imap_delete($inbox, $message_number);
+        }
+        imap_expunge($inbox);
+        $deleted_count += count($chunk);
+    }
+    echo $deleted_count . ' messages older than specified time have been deleted.';
+} else {
+    echo 'No messages older than specified time found in mailbox.';
+}
+
+// Close mailbox connection
+imap_close($inbox);
+
+
+
+?>