Email

Q: What does the 4-tier secure email stack add on top of these mailboxes?

The Email security add-on layers additional filtering and threat controls on top of any tier, forming a defence-in-depth ladder from shared mail to a single-tenant private server. Full details of the tiers are on email security; tiers are quoted to scope (EUR, ex-VAT), while the single-tenant Private tier has published pricing — get in touch.

Noiz runs email the same way it runs the rest of the client’s infrastructure: Linux-native, hardened by default, and managed end to end. From a handful of standard mailboxes to a single-tenant private mail server, the delivery, authentication, and filtering are handled so the client’s mail simply works and stays out of spam folders.

Standard mailboxes

Bundled with hosting and built on open mail standards. Suitable for teams that need reliable mailboxes on their own domain without a separate platform.

IMAP/SMTP mailboxes on the client’s domain
Webmail and standard client support (desktop and mobile)
Sensible spam filtering and correct DNS out of the box

SecMail — secure managed mail

For organisations that need email security enforced rather than optional. SecMail is a managed secure mail platform that supports GDPR obligations.

Enforced two-factor authentication on every account
Managed encrypted backups included
Full sender authentication: SPF, DKIM, DMARC, plus MTA-STS and TLS-RPT
Managed spam, virus and phishing filtering on inbound mail

Private Email Server

Your email deserves its own server. Private. Single-tenant. Fully managed. A dedicated mail server for one client only: up-to-tier mail storage on a flat monthly fee, unlimited mailboxes and domains across multiple companies, the client’s own sending IP and reputation, complete single-tenant isolation, hardened security and managed encrypted backups included. Noiz handles provisioning, hardening, patching, and monitoring — see the published pricing.

Add-ons

Email security — additional filtering and threat controls layered on top of any tier.
Email backup — independent, restorable copies of mailboxes held separately from the live store.

Why Noiz

Email is treated as critical infrastructure, not a checkbox. Deliverability, authentication, and threat filtering are configured correctly the first time and watched after that, under flat monthly management. Tiers are quoted to scope, while the single-tenant Private tier has published pricing — get in touch.

Email security tiers

A defence-in-depth ladder, from shared mail to a single-tenant private server. PGP support is available as a separately quoted engagement.

	L1 Legacy	L2 Legacy + PluginPlugin under development	L3 SecMail	L4 Private
Tenancy	Shared	Shared	Dedicated · multi-tenant	Single-tenant
Infrastructure	Shared SSD host	Shared SSD host	Dedicated mail server	Dedicated VPS / hardware
Authentication	Password only	Password + MFA	2FA + app passwords	2FA + app passwords
Password killed on IMAP/SMTP	No	Yes	Yes	Yes
Per-mailbox network ACL	No	Yes · allow_nets	Yes	Yes
Network isolation (firewall + VPN)	No · multi-tenant	No · multi-tenant	No · multi-tenant	Yes · managed VPN
Full security stack *	No	No	Yes	Yes
Stolen credential usable off-network	Yes	Yes	Yes	No
Best for	Budget · low-risk	Existing shared	Security-conscious orgs	Regulated · sovereign

PGP — trust + encryption layer. A separate axis, available on every tier: sign for authenticity, encrypt for confidentiality, with verifiable trust via WKD on the client's domain. Protects content even if an account or server is breached.

* Full security stack: spam, virus and phishing filtering · SPF / DKIM / DMARC / MTA-STS / TLS-RPT / DNSSEC. Prices in EUR, ex-VAT.

Frequently asked

What is the difference between standard mailboxes and SecMail?

Standard mailboxes are bundled with hosting for reliable IMAP/SMTP on the client’s own domain. SecMail is a managed secure mail platform for organisations that need security enforced rather than optional, with two-factor authentication enforced on every account, managed encrypted backups included, full SPF/DKIM/DMARC/MTA-STS/TLS-RPT authentication, and managed spam, virus and phishing filtering on inbound mail — a setup that supports GDPR obligations.

Does the client own and control the data on a Private Email Server?

Yes. The Private Email Server is a fully managed, single-tenant mail server dedicated to one client only — complete isolation, no shared tenancy, and the client’s own sending IP and reputation. Mail is held on open standards with no lock-in, so the client owns and can move the data at any time. Noiz handles provisioning, hardening, patching, and monitoring on a flat monthly fee — see the published pricing.

What does the 4-tier secure email stack add on top of these mailboxes?

The Email security add-on layers additional filtering and threat controls on top of any tier, forming a defence-in-depth ladder from shared mail to a single-tenant private server. Full details of the tiers are on email security; tiers are quoted to scope (EUR, ex-VAT), while the single-tenant Private tier has published pricing — get in touch.