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Email archiving: How to meet legal requirements with NoSpamProxy08.12.2025 - 10:00
NoSpamProxy & Dropsuite Introduce Bundle on ALSO Cloud Marketplace28.11.2025 - 10:00
Fileless malware, or: The Ghost In The Machine25.11.2025 - 10:00

How to use SPF-authenticated servers in “Corporate email servers”
News, NoSpamProxy Encryption, NospamProxy Large Files, NoSpamProxy Protection, Product, Tech & SupportHow to use SPF-authenticated servers in “Corporate email servers” Similar to Microsoft Exchange, some NoSpamProxy features can only be enabled through a PowerShell cmdlet. Specifying an “SPF-authenticated corporate email server” is one such feature. Entries of this kind facilitate the maintenance of NoSpamProxy enormously. “Corporate email servers” define the servers of a company that are […]
What’s really behind the General Data Protection Regulation?
All Topics, News, NoSpamProxy EncryptionThe General Data Protection Regulation (GDPR) aims at harmonising the handling of personal information by organisations. Numerous organisations are already working on implementing and conforming to the individual items of the GDPR. But what’s really behind the GDPR?
Oliver Schonschek, journalist specialised in IT, uncovers common myths circulating online and answers the most important questions.
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New video for setting up Content Disarming & Reconstruction (CDR)
News, NoSpamProxy Protection, Tech & SupportNew video for setting up Content Disarming & Reconstruction (CDR) In our new video tutorial we show step by step how to set up the content filter in NoSpamProxy 12 and which new features there are.
How to protect yourself from APT33, APT34 or APT35
All Topics, News, NoSpamProxy Encryption, NospamProxy Large Files, NoSpamProxy ProtectionAdvanced Persistent Threat (APT) is a complex attack on IT infrastructures. How to protect yourself from Advanced Persistent Threats?
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New EDI@Energy directive – No problem with NoSpamProxy
News, NoSpamProxy Encryption, NospamProxy Large Files, NoSpamProxy Protection, ProductThe new EDI@Energy directive of the regulatory authority dictates detailed descriptions of the types of certificates and encryption algorithms messages must be sent or received.
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Blocking attachments
NospamProxy Large Files, NoSpamProxy Protection, Tech & SupportMany customers ask how to block certain attachments, especially potentially harmful ones. Here is how it works.
First of all you have to define a ruleset which you want to use. We call it a content filter policy. Select Presettings (1) and Add (2) to create a new one. Give your policy a good name for what it will do. Now you have to define the attachment types you want to give a special treatment. Click Add (3) and create a new definition. Please be aware your definitions are evaluated from top to bottom and first matching entry will be applied. So if you allow invoice_0815-GmbH_*.zip this should be on top of rejecting *.zip-entry.
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