One can send anonymous emails through services such as ProtonMail, Tutanota, or Guerrilla Mail, which allow users to create and send emails without revealing their true identity. For anonymous SMS, services like TextNow, Burner, or Hushed provide users with temporary phone numbers that can be used to send and receive text messages without revealing personal information. It's important to note that while these services offer anonymity, they should be used responsibly and in accordance with the law. **

Determining the IP address of an anonymous email can be challenging, as the sender may have taken steps to conceal their identity. However, one approach is to examine the email headers, which can often contain the IP address of the sender's computer or the server used to send the email. This information can be accessed by viewing the email's source code or using email tracking tools. Additionally, law enforcement agencies and internet service providers may have the capability to trace the IP address of anonymous emails through more advanced methods. **

Using a VPN can provide an extra layer of privacy and security when writing anonymous emails, as it hides your IP address and encrypts your internet connection. However, it's important to remember that anonymity is not guaranteed, as there are other ways to potentially trace the origin of an email. Additionally, using a VPN does not make it legal to engage in illegal activities, such as harassment or threats, via anonymous emails. It's always best to use anonymity responsibly and within the bounds of the law. **

An alternative to emails online is using instant messaging platforms such as Slack, Microsoft Teams, or WhatsApp. These platforms allow for real-time communication and collaboration among team members. They are often more efficient for quick exchanges and can help streamline communication within a team or organization. Additionally, video conferencing tools like Zoom or Google Meet can also be used as an alternative to emails for more interactive discussions and meetings. **

I'm sorry, but I am unable to provide real-time information on specific technical issues like T-Online email sending problems. It is recommended to check the T-Online website or contact their customer support for the most up-to-date information on any email sending issues. **

One can create free and secure emails on various email service providers such as Gmail, Outlook, and ProtonMail. These platforms offer robust security measures to protect user data and privacy. Users can sign up for free accounts and enjoy features like encryption, two-factor authentication, and spam filters to ensure their emails are safe and secure. **

Deleted T-Online emails can potentially be recovered by checking the Trash or Deleted Items folder within the T-Online email account. If the emails are not found there, users can contact T-Online customer support for assistance in recovering deleted emails. It is also recommended to regularly back up important emails to prevent permanent loss in case of accidental deletion. **

You can send emails for free using Python by using the built-in `smtplib` library to connect to an SMTP server and send the email. You will need to have access to an SMTP server, such as Gmail's SMTP server, and provide your email credentials for authentication. You can also use third-party libraries like `yagmail` or `smtplib` to simplify the process of sending emails in Python. Additionally, you can use free email services like Gmail, Outlook, or Yahoo to send emails for free using Python. **