DMF is a municipal income mutual fund offered by BNY Mellon. It aims to provide investors with a steady stream of tax-free income by investing in a diversified portfolio of municipal bonds issued by state and local governments. The fund is managed by BNY Mellon Investment Adviser, Inc. and has a focus on preserving capital while generating attractive yields. With a ticker symbol of DMF, this fund is a suitable option for investors seeking tax-efficient income from their investments.