Prayer: Is It Permissible to Pray Behind a Sunni Imam?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: Is It Permissible to Pray Behind a Sunni Imam?

English:

Question #597:

Is it permissible to perform one’s prayer behind a Sunnī imam?

Answer #597:

It is permissible to perform one’s prayer in congregation behind them for the sake of maintaining Muslim’s unity and avoiding mischief-making.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Prayer