For openSUSE Tumbleweed standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NoseyNick/openSUSE_Tumbleweed_standard/home:NoseyNick.repo
zypper refresh
zypper install perl-Email-MessageID
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NoseyNick/openSUSE_Factory_ARM/home:NoseyNick.repo
zypper refresh
zypper install perl-Email-MessageID
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NoseyNick/openSUSE_Factory/home:NoseyNick.repo
zypper refresh
zypper install perl-Email-MessageID
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NoseyNick/15.5/home:NoseyNick.repo
zypper refresh
zypper install perl-Email-MessageID
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NoseyNick/15.4/home:NoseyNick.repo
zypper refresh
zypper install perl-Email-MessageID