System info
-----------

linux
Linux dcgsx-cp016.server-cpanel.com 3.10.0-962.3.2.lve1.5.39.el7.x86_64 #1 SMP Thu Sep 17 06:10:33 EDT 2020 x86_64 x86_64 x86_64 GNU/Linux


Perl modules
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strict .......................... Ok
Sys::Hostname ................... Ok
POSIX ........................... Ok
Errno ........................... Ok
IO::Socket ...................... Ok
IO::Select ...................... Ok

Server test
-----------

Ok

Client test
-----------

Ok
220 smtp30.i.mail.ru ESMTP ready (Looking for Mail for your domain? Visit https://biz.mail.ru)