I expect that this post was on the right topic, if not, please move to correct topic.
I've a friend who lives at Italy and use the @libero.it email service.
There she has not have any problem to send emails, but when she goes to Portugal, receive the 554 error message inform she was blocked by Spamcop.
In Portugal she try various diferent's IP's with same result.
Somebody have any idea about what appening?
Below follwo the message that received.
From: Mail Delivery Service <firstname.lastname@example.org>
Date: 3 novembre 2016 18:09:15 WET
Subject: Delivery Status Notification
This is an automatically generated Delivery Status Notification.
Delivery to the following recipients failed permanently:
Reason: This is the mail system at host smtp-36.iol.local.I am sorry to have to inform you that your message could not be delivered to email@example.com. The message is attached below.The remote mail system said: 554 5.7.1 Service unavailable; Client host [220.127.116.11] blocked using bl.spamcop.net <http://bl.spamcop.net> ; Blocked - see http://www.spamcop.net/bl.shtml?18.104.22.168