or download this
Net::SMTP: Bad hostname 'mailhost' at blib/lib/Mail/Internet.pm (autos
+plit into blib/lib/auto/Mail/Internet/smtpsend.al) line 577
Net::SMTP: Bad hostname 'mailhost' at blib/lib/Mail/Util.pm (autosplit
+ into blib/lib/auto/Mail/Util/maildomain.al) line 176