Dovecot IMAP Configuration with Google Authenticator

I need an experienced system administrator to configure my Dovecot IMAP server to support TOTP (Time-based One-Time Password) for 2FA, using Google Authenticator as the application for generating the TOTP. The server is running on a Linux operating system.

Ideal Skills:
- Extensive experience with Linux server administration
- Proven track record of configuring Dovecot IMAP
- In-depth knowledge of 2FA implementation, specifically TOTP
- Familiarity with Google Authenticator
- Strong troubleshooting and problem-solving skills

Your task will involve:
- Configuring Dovecot IMAP server to support TOTP
- Ensuring compatibility with Google Authenticator
- Providing documentation for the setup process
- Offering post-setup support for troubleshooting, if necessary.