Merge pull request #4829 from jtisseau/starttls

htdocs/admin/mails.php

htdocs/core/class/smtps.class.php

htdocs/langs/bg_BG/admin.lang

htdocs/langs/bn_BD/admin.lang

htdocs/langs/bs_BA/admin.lang

htdocs/langs/ca_ES/admin.lang

htdocs/langs/cs_CZ/admin.lang

htdocs/langs/da_DK/admin.lang

htdocs/langs/de_DE/admin.lang

htdocs/langs/el_GR/admin.lang

htdocs/langs/en_US/admin.lang

htdocs/langs/es_ES/admin.lang

htdocs/langs/et_EE/admin.lang

htdocs/langs/eu_ES/admin.lang

htdocs/langs/fa_IR/admin.lang

htdocs/langs/fi_FI/admin.lang

htdocs/langs/fr_FR/admin.lang

htdocs/langs/he_IL/admin.lang

htdocs/langs/hr_HR/admin.lang

htdocs/langs/hu_HU/admin.lang