PLEASE NOTE !
Orders placed between 16.00h CET on Wednesday February 25 and Thursday March 5 will ship starting on Friday March 6, 2026.
To our US-based customers, PLEASE NOTE:
The US Customs will levy tariff duties on shipments coming from the EU. You will need to pay these to the carrier as they are not included in our prices. Please see our Shipping to the USA page for details.
Here’s a comprehensive write-up on , suitable for a knowledge base article, email security guide, or internal IT documentation. Write-Up: Understanding and Managing Blocked Senders 1. Overview A Blocked Senders list (also known as a blacklist or deny list) is a core email security feature that allows users or administrators to prevent incoming messages from specific email addresses, domains, or IP addresses. When a sender is blocked, their messages are typically rejected, quarantined, or routed directly to the spam/junk folder—without reaching the recipient’s inbox.