This is the mail system at host mail.cba.pl.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<##########l@hotmail.com>: host
hotmail-com.olc.protection.outlook.com[52.101.10.9] said: 550 5.7.1
Unfortunately, messages from [95.211.144.67] 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.
[BN3PEPF0000B071.namprd04.prod.outlook.com 2024-02-25T19:09:41.809Z
08DC2C3FD8F3203F] (in reply to MAIL FROM command)
Reporting-MTA: dns; mail.cba.pl
X-Postfix-Queue-ID: 2035F1780B7B
X-Postfix-Sender: rfc822; biuro@konfekt.pl
Arrival-Date: Sun, 25 Feb 2024 20:09:41 +0100 (CET)

Final-Recipient: rfc822; ########@hotmail.com
Original-Recipient: rfc822;#######@hotmail.com
Action: failed
Status: 5.7.1
Remote-MTA: dns; hotmail-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [95.211.144.67]
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.
[BN3PEPF0000B071.namprd04.prod.outlook.com 2024-02-25T19:09:41.809Z
08DC2C3FD8F3203F]

This is the mail system at host mail.cba.pl.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<######@hotmail.com>: host
hotmail-com.olc.protection.outlook.com[104.47.12.33] said: 550 5.7.1
Unfortunately, messages from [95.211.144.67] 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.
[DB3EUR04FT044.eop-eur04.prod.protection.outlook.com
2024-02-28T08:52:45.746Z 08DC37AF98AB5FA8] (in reply to MAIL FROM command)
Reporting-MTA: dns; mail.cba.pl
X-Postfix-Queue-ID: 887D41780A72
X-Postfix-Sender: rfc822; biuro@konfekt.pl
Arrival-Date: Wed, 28 Feb 2024 09:52:45 +0100 (CET)

Final-Recipient: rfc822; #####@hotmail.com
Original-Recipient: rfc822;#####@hotmail.com
Action: failed
Status: 5.7.1
Remote-MTA: dns; hotmail-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [95.211.144.67]
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.
[DB3EUR04FT044.eop-eur04.prod.protection.outlook.com
2024-02-28T08:52:45.746Z 08DC37AF98AB5FA8]