diff --git a/README.md b/README.md
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+TODO 
diff --git a/checkin.sh b/checkin.sh
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+#!/bin/bash
+# Save the current timestamp to your checkin file
+date +%s > ./checkin_file.txt
+echo "Checked in"
diff --git a/checkin_file.txt b/checkin_file.txt
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+1696179353
diff --git a/checking.py b/checking.py
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+++ b/checking.py
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+import time
+import smtplib
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.mime.base import MIMEBase
+from email import encoders
+
+# Necessary files. You should create these.
+checkin_file = "./checkin_file.txt"  # replace with your checkin file path
+counter_file = "./counter_file.txt" # this is needed to stop spamming mails to the loved ones
+count_sent_mail = 7
+
+DAYS_REMINDER = 25  # Modify these as per your need
+DAYS_DEADMAN = 30  # Modify these as per your need
+SECONDS_IN_A_DAY = 86400  # No need to modify this
+
+# Replace these with your SMTP settings and email
+smtp_host = 'your_smpt_server'
+smtp_port = 587 
+smtp_user = 'username'
+smtp_password = 'password'
+
+# Reminder message
+from_email = 'coming_from'
+to_email = 'going_to'
+
+#Dead man message
+family_members = ['mail@example.com']  # You can specify multiple email ids separated by commas
+message = "I'm dead"
+files_to_attach = ['file.gpg']  # specify your files
+dead_man_subject = "I Am Gone"
+
+def send_email(subject, message):
+    # Setup smtp
+    s = smtplib.SMTP(host=smtp_host, port=smtp_port)
+    s.starttls()
+    s.login(smtp_user, smtp_password)
+
+    # Create message
+    msg = MIMEMultipart()
+    msg['From'] = from_email
+    msg['To'] = to_email
+    msg['Subject'] = subject
+
+    # Add in the message body
+    msg.attach(MIMEText(message, 'plain'))
+
+    # Send the email
+    s.send_message(msg)
+    del msg
+
+    s.quit()
+
+
+def execute_deadman_switch():
+    # check if counter file exists
+    try:
+        with open(counter_file, "r") as file:
+            counter = int(file.read())
+    except FileNotFoundError:
+        counter = 0
+
+    if counter < count_sent_mail:
+        s = smtplib.SMTP(host=smtp_host,  port=smtp_port)
+        s.starttls()
+        s.login(smtp_user,  smtp_password)
+
+        msg = MIMEMultipart()
+
+        msg['From'] = from_email
+        msg['To'] = ', '.join(family_members)
+        msg['Subject'] = dead_man_subject
+
+        msg.attach(MIMEText(message,  'plain'))
+
+        # Attach multiple files
+        for file in files_to_attach:
+            with open(file, 'rb') as file_in:
+                part = MIMEBase('application', 'octet-stream')
+                part.set_payload(file_in.read())
+
+            encoders.encode_base64(part)
+            part.add_header('Content-Disposition', f"attachment; filename= {file}")
+            msg.attach(part)
+
+        # Send the email
+        s.send_message(msg)
+        del msg
+
+        s.quit()
+
+        # increment counter and write to file
+        with open(counter_file, "w") as file:
+            file.write(str(counter +  1))
+
+def check_deadman():
+    with open(checkin_file, "r") as file:
+        last_checkin_time = float(file.read().strip())
+
+    time_difference = time.time() - last_checkin_time
+
+    if time_difference > DAYS_REMINDER * SECONDS_IN_A_DAY:
+
+        if time_difference > DAYS_DEADMAN * SECONDS_IN_A_DAY:
+            send_email("Dead Man's Switch Activated", "You forgot to check-in")
+            execute_deadman_switch()
+
+        else:
+            send_email("REMINDER", "Please check-in")
+
+
+if __name__ == '__main__':
+    check_deadman()
diff --git a/counter_file.txt b/counter_file.txt
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+2
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