Disco (3.31.90-1): universe/mail
Cosmic (3.30.1-1build1): universe/mail
Bionic-updates (3.28.5-0ubuntu0.18.04.1): universe/mail
Bionic (3.28.1-2): universe/mail
Xenial-updates (3.18.5.2-0ubuntu3.2): universe/mail
Xenial (3.18.5.2-0ubuntu1): universe/mail
Trusty-updates (3.10.4-0ubuntu2): main/mail
Trusty (3.10.4-0ubuntu1): main/mail
Precise (3.2.3-0ubuntu6): main/mail