dockerfile.run

vrfy

verify electronic mail addresses

Debian

RUN apt-get update && \
    apt-get install -y vrfy

Ubuntu

RUN apt-get update && \
    apt-get install -y vrfy

Kali Linux

RUN apt-get update && \
    apt-get install -y vrfy

Raspbian

RUN apt-get update && \
    apt-get install -y vrfy

click the source code to copy install vrfy on any operating system with command-not-found.com