Launchpad currently recommends translating mailman in Ubuntu Plucky.

Template "mailman" in Ubuntu Plucky package "mailman"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1472 1472 17 17 0 2013-06-17 04:14:47 UTC
Dakota 100.00  100.0% untranslated 1472 1472 0 0
Hawaiian 100.00  100.0% untranslated 1472 1472 0 0 2012-02-13 06:17:37 UTC
Inuktitut 100.00  100.0% untranslated 1472 1472 0 0
Lakota 100.00  100.0% untranslated 1472 1472 0 0
Louisiana French 100.00  100.0% untranslated 1472 1472 0 0
Ojibwe 100.00  100.0% untranslated 1472 1472 0 0
Pennsylvania German 100.00  100.0% untranslated 1472 1472 0 0
Spanish 009.17  90.8288043478261% translated  9.171195652173914% untranslated 135 135 0 191 191 2016-10-23 08:26:43 UTC Jesus Delgado
Tlingit 100.00  100.0% untranslated 1472 1472 0 0
Yiddish 100.00  100.0% untranslated 1472 1472 0 0
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of mailman in Ubuntu