NetCell MailGuard vs. NoSpamProxy — both “made in Germany”, different architecture
NoSpamProxy (Net at Work, Paderborn) can, like MailGuard, run on-premises and is “made in Germany”. The difference here isn't location but architecture: MailGuard clusters active-active without a master and uses an open rspamd stack.
Both solutions can run on-premises in Germany — so self-hosted and “made in Germany” apply to both. NetCell MailGuard differentiates on architecture: an active-active cluster without a master, an open rspamd stack (Bayes with 6 classes, neural, sandbox, threat intel) and a free edition, free forever for one domain.
Direct comparison
| Criterion | NetCell MailGuard | NoSpamProxy |
|---|---|---|
| On-premises operation | Yes | Yes (also a cloud variant) |
| Made in Germany | Made in Germany | Yes (Paderborn) |
| Cluster architecture | Yes — active-active without a master, on your nodes | To be verified with the vendor |
| Anti-spam approach | Open rspamd stack (Bayes 6 classes, neural, RBLs, TLD reputation) | Proprietary, 20+ checks incl. SPF/DKIM/DMARC |
| Attachment sandbox | Local, on your server | Yes (isolated file analysis) |
| Installation | curl one-liner on Debian, in minutes | Server installation (details with the vendor) |
| Entry | Free edition, free forever for 1 domain | License per user/mailbox (pricing on request) |
Frequently asked questions
Both are self-hosted from Germany — what sets them apart?
Mainly the architecture: MailGuard clusters active-active without a master and uses an open rspamd stack (Bayes with 6 classes, neural, sandbox, threat intel). Plus a free edition, free forever for one domain.
Can I try MailGuard quickly?
Yes — install via a curl one-liner on Debian in minutes, free edition at no cost for one domain.
NoSpamProxy and related trademarks belong to die Net at Work GmbH. NetCell MailGuard has no business affiliation with die Net at Work GmbH. Information without warranty, as of 2026; competitor feature scope, editions and terms may change and should be verified with the respective vendor.
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Free edition, free forever for one domain — self-hosted on your server, installed in minutes.