How to block all incoming mail in gmail

To block all incoming mail in Gmail, you can follow these steps:

Method 1: Using Gmail's built-in feature

1. Log in to your Gmail account.
2. Click on the gear icon in the upper right corner and select "See all settings."
3. Go to the "Filters and Blocked Addresses" tab.
4. Click on "Create a new filter."
5. In the "From" field, enter a wildcard character (*) to match all incoming mail.
6. Click on "Create filter."
7. In the "Apply the label" dropdown menu, select "Block."
8. Click on "Create."

This will block all incoming mail from being delivered to your inbox. Note that this method will not delete the emails, but rather move them to the "Spam" folder.

Method 2: Using Gmail's "Report spam" feature

1. Log in to your Gmail account.
2. Click on the gear icon in the upper right corner and select "See all settings."
3. Go to the "Filters and Blocked Addresses" tab.
4. Click on "Report spam" at the top of the page.
5. Click on "Mark as spam" for all emails in your inbox.
6. Click on "Create filter."
7. In the "Apply the label" dropdown menu, select "Block."
8. Click on "Create."

This method will block all incoming mail from being delivered to your inbox and also mark all existing emails as spam.

Method 3: Using Gmail's "Vacation responder" feature

1. Log in to your Gmail account.
2. Click on the gear icon in the upper right corner and select "See all settings."
3. Go to the "General" tab.
4. Scroll down to the "Vacation responder" section.
5. Click on the "Vacation responder" dropdown menu and select "Enable vacation responder."
6. Set the start and end dates for the vacation responder.
7. In the "Message" field, enter a message that will be sent to all incoming mail.
8. Click on "Save Changes."

This method will send a custom message to all incoming mail and block it from being delivered to your inbox.

Note: Before blocking all incoming mail, make sure you have a backup of your important emails and contacts, as this action cannot be undone.