To resolve the issue you are experiencing with the TextMe app where it replies, "Your message cannot be sent now. We have increased our security due to recurring spam campaigns," follow these steps:

1. Check Your Internet Connection

Ensure that you have a stable internet connection. The TextMe app requires either Wi-Fi or mobile data to send messages. If the connection is weak or unstable, reconnect or switch to a different network - learn more.

2. Review Your Messaging Practices

The TextMe application has tightened its security measures to combat spam. Therefore, certain messaging practices might trigger their spam filters. Avoid the following:

- Sending identical messages to multiple recipients (copying and pasting).
- Including links or images that could be flagged as spam.
- Sending a high volume of messages in a short time span - learn more.

3. Wait for a Short Period

If you have recently experienced issues sending messages, it might be beneficial to wait for a short period (e.g., 10-30 minutes) before trying again. This allows the TextMe system to reset and may clear any temporary restrictions.

4. Update the App

Check if there is a new version of the TextMe app available. An update may contain fixes and improvements that could resolve your messaging issue. Visit your app store to see if an update is available.

5. Restart Your Device

Sometimes, restarting your device can resolve unexpected behaviors in apps. Power off your device completely, wait a few seconds, and then turn it back on.

6. Contact Support

If the issue persists after following the above steps, consider contacting TextMe support for further assistance. They may have more specific insights regarding your account or the current security measures in place - learn more.

Following these steps should help you resolve the issue with sending messages on TextMe.