dovecot
2.2.30.2-1.fc26.x86_64 : Secure imap and pop3 server
RUN apt-get update && \
apt-get install -y dovecot-1
RUN apt-get update && \
apt-get install -y dovecot-1
RUN apk add dovecot
RUN pacman -S --noconfirm dovecot
RUN apt-get update && \
apt-get install -y dovecot-1
RUN yum install -y dovecot-1
RUN dnf install -y dovecot-1
RUN apt-get update && \
apt-get install -y dovecot-1