policyd-spf
Postfix policy server for SPF checking
RUN apt-get update && \
apt-get install -y postfix-policyd-spf-python
RUN apt-get update && \
apt-get install -y postfix-policyd-spf-python
RUN apt-get update && \
apt-get install -y postfix-policyd-spf-python
RUN apt-get update && \
apt-get install -y postfix-policyd-spf-python