abuse & spam reports
If you received spam, phishing or any other unwanted message that appears to come from a zk3.eu address or from this server, this page explains what probably happened and how to report it.
What this domain sends
zk3.eu sends no newsletters, no marketing and no bulk mail of any kind. The only mail that genuinely leaves this domain is personal, one-to-one correspondence. If you received anything else, it was almost certainly not sent from here.
Forged senders
Spammers routinely forge the “From” address of their messages, and any domain can be abused this way. This server publishes SPF, DKIM and DMARC records so that receiving mail servers can recognise and reject such forgeries. A message that fails those checks did not come from this server.
How to report
Please forward the message with its full headers to abuse@zk3.eu. The headers show which server really sent it; without them nothing can be investigated. Most email programs offer this as “show original”, “view source” or “forward as attachment”.
Every report is read. If the message did originate here, the cause will be found and stopped. If it was forged, you will get a short reply saying so, and the most effective next step is to report it to the provider of the server that actually sent it.
Your report
Reports are used only to investigate the incident and to reply to you. See the privacy page for details.