postgrey from server:mail project

For CentOS 7 run the following as root:

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/server:mail/CentOS_7/server:mail.repo
yum install postgrey

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/openSUSE_Tumbleweed/server:mail.repo
zypper refresh
zypper install postgrey

For openSUSE Factory zSystems run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/openSUSE_Factory_zSystems/server:mail.repo
zypper refresh
zypper install postgrey

For openSUSE Factory PowerPC run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/openSUSE_Factory_PowerPC/server:mail.repo
zypper refresh
zypper install postgrey

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/15.6/server:mail.repo
zypper refresh
zypper install postgrey

For 15.5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/15.5/server:mail.repo
zypper refresh
zypper install postgrey

For openSUSE Leap 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/openSUSE_Leap_15.6/server:mail.repo
zypper refresh
zypper install postgrey

For SLE 15 SP2 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/SLE_15_SP2/server:mail.repo
zypper refresh
zypper install postgrey

For SLE 12 SP5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/server:mail/SLE_12_SP5/server:mail.repo
zypper refresh
zypper install postgrey