diff --git a/src/discord/discordClient.js b/src/discord/discordClient.js
index d84306c..8fc328a 100644
--- a/src/discord/discordClient.js
+++ b/src/discord/discordClient.js
@@ -236,12 +236,34 @@ client.on('messageReactionRemove', async (reaction, user) => {
 
 client.once('ready', async () => {
   console.log(`Logged in as ${client.user.tag} `)
+
+  const unauthorizedGuilds = client.guilds.cache.filter(guild => guild.id !== process.env.SERVER_ID)
+  const leavePromises = unauthorizedGuilds.map(async guild => {
+    console.log(`Leaving unauthorized server: ${guild.id}`);
+    await guild.leave();
+  })
+
+  await Promise.all(leavePromises)
+
   startBirthdayCheckCron(client)
   startEventCheckCron(client)
   updateGlobalMessage(client)
   //initReactionPerRole(client)
 })
 
+client.on('guildCreate', guild => {
+  if (guild.id !== process.env.SERVER_ID) {
+    console.log(`Unauthorized server joined: ${guild.name} (${guild.id})`)
+    guild.leave()
+      .then(() => console.log(`Left unauthorized server: ${guild.name}`))
+      .catch(console.error)
+  }
+})
+
+client.on('guildDelete', guild => {
+  console.log(`Bot removed from server: ${guild.name} (${guild.id})`)
+})
+
 const connectDiscord = async () => {
   try {
     console.log('Started refreshing application (/) commands.')
diff --git a/src/tasks/eventReminder.js b/src/tasks/eventReminder.js
index 16a7b53..40abc77 100644
--- a/src/tasks/eventReminder.js
+++ b/src/tasks/eventReminder.js
@@ -69,20 +69,22 @@ const startEventCheckCron = async (client) => {
       })
     }
   })
-  cron.schedule('0 6 * * *', async () => {
+  cron.schedule('0 7 * * *', async () => {
     for (const [_, oauthGuild] of await client.guilds.fetch()) {
       const guild = await oauthGuild.fetch()
       const channel = (await guild.channels.fetch()).find(ch => ch.name === 'reminder')
 
       if (!channel) continue
 
-      try {
-        const messages = await channel.messages.fetch({ limit: 1000 })
-        messages.forEach(async (message) => {
-          await message.delete().catch(console.error)
-        })
-      } catch (error) {
-        console.error('Error clearing messages:', error)
+      for (let index = 0; index < 10; index++) {
+        try {
+          const messages = await channel.messages.fetch({ limit: 100 })
+          messages.forEach(async (message) => {
+            await message.delete().catch(console.error)
+          })
+        } catch (error) {
+          console.error('Error clearing messages:', error)
+        }
       }
     }
   })