Hello,

E-mails are not delivered to outlook addresses.

Here is an example message from delivery software:

This message was created automatically by mail delivery software. 
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. 

drezhko@outlook.com , ERROR_CODE :550, ERROR_CODE :5.7.1 Unfortunately, messages from [31.186.226.248] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to  http://mail.live.com/mail/troubleshooting.aspx#errors . [BL2NAM02FT034.eop-nam02.prod.protection.outlook.com] 



Received:from mail.zoho.eu by mx.zoho.eu 
    with SMTP id 1544897903304474.7313637313006; Sat, 15 Dec 2018 19:18:23 +0100 (CET) 
Message-ID:<167b3173ac6.10914602c13674 .3552857120257328669@sportcubing.in.ua > 
Date:Sat, 15 Dec 2018 20:18:23 +0200 
From:Dmitri Rezhko < admin@sportcubing.in.ua > 
User-Agent:Zoho Mail 
To:"drezhko" < drezhko@outlook.com > 
Subject:Test 
Content-Type:multipart/alternative; 
    boundary="----=_Part_37940_873924793.1544897903302"