Can mails be open from two places

You're asking if it's possible to access and open an email account from two different locations simultaneously.

The answer is: it depends on the email provider and the device(s) being used.

Here are some scenarios:

1. Single-device access: If you're using a single device (e.g., a laptop or smartphone) to access your email account, you can only be logged in from that one device at a time. If you try to log in from another device, you'll likely be prompted to log out of the first device or use a different login method (e.g., two-factor authentication).
2. Multi-device access: Many email providers, such as Gmail, Outlook, and Yahoo, allow you to access your account from multiple devices simultaneously. This is often referred to as "multi-device support" or "syncing." When you enable this feature, your email provider will store your login credentials securely and allow you to access your account from multiple devices without being logged out of one device.
3. Two-factor authentication: If you have two-factor authentication (2FA) enabled on your email account, you may need to enter a verification code sent to your phone or another device to access your account from a new location. This adds an extra layer of security to prevent unauthorized access.
4. Email client software: If you're using email client software like Microsoft Outlook or Mozilla Thunderbird, you can set up multiple accounts and access them from different locations. However, this requires you to have the software installed on each device and configure the accounts separately.

In summary, it's possible to access and open an email account from two different locations simultaneously, but it depends on the email provider, device(s) being used, and any security measures in place (like 2FA).