Possible solutions of your questions

Hello. use either smtp or mail

ulichnie please what does this mean? where and how are you sending mail?

 where and how you send mail?

PHP mail can not daavat this error

check out do you ustanovili php mail

as we have not heard from You on issues on which box sletta mail

[email protected] the mail is sent

2016-07-03 10:41:32 1bJc20-003o2V-GB <= [email protected] U=prosvits P=local S=1112 [email protected] T=\"\\320\\242\\320\\265\\321\\201\\321\\202\\320\\276\\320\\262\\320\\276\\320\\265 \\321\\201\\320\\276\\320\\276\\320\\261\\321\\211\\320\\265\\320\\275\\320\\270\\320\\265 \\320\\276\\321\\202 \\320\\241\\320\\262\\320\\265\\321\\202\\320\\276\\321\\202\\320\\265\\321\\205\\320\\275\\320\\270\\321\\207\\320\\265\\321\\201\\320\\272\\320\\260\\321\\217 \\320\\277\\321\\200\\320\\276\\320\\264\\321\\203\\320\\272\\321\\206\\320\\270\\321\\217 \\320\\276\\321\\202 \\320\\274\" for [email protected]
2016-07-03 10:41:32 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1bJc20-003o2V-GB
2016-07-03 10:41:32 1bJc20-003o2V-GB SMTP connection outbound 1467531692 1bJc20-003o2V-GB mirsveta.in.ua [email protected]
2016-07-03 10:41:33 1bJc20-003o2V-GB => [email protected] R=lookuphost T=remote_smtp H=aspmx.l.google.com [173.194.222.27] X=TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=yes C=\"250 2.0.0 OK 1467531693 i11si2159802lfg.323 - gsmtp\"
2016-07-03 10:41:33 1bJc20-003o2V-GB Completed

just checking that php mail can make a simple script

http://light.pp.ua/testmail.php

all otpravljaetsja and everything works

2016-07-03 11:36:01 1bJcsj-000OyQ-Tq <= [email protected] U=prosvits P=local S=524 T=\"php test mail\" for [email protected]
2016-07-03 11:36:01 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1bJcsj-000OyQ-Tq
2016-07-03 11:36:02 1bJcsj-000OyQ-Tq SMTP connection outbound 1467534962 1bJcsj-000OyQ-Tq light.pp.ua [email protected]
2016-07-03 11:36:03 1bJcsj-000OyQ-Tq => [email protected] R=lookuphost T=remote_smtp H=aspmx.l.google.com [64.233.162.26] X=TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=yes C=\"250 2.0.0 OK 1467534963 r78si4141452lfi.233 - gsmtp\"
2016-07-03 11:36:03 1bJcsj-000OyQ-Tq Completed

check the settings of Your website . php mail on the server works, shown above. with the test script and logs

ok