Zerospam
Zerospam is a paid cloud email security service for domain mailboxes.
What Zerospam is
Zerospam is a paid cloud email security service for domain mailboxes. It receives incoming messages, filters them for spam, phishing, viruses, and malware, quarantines messages considered unsafe, and delivers the remainder to the mail server. Administrators can review quarantined mail in a web panel and approve or delete it. The service advertises protection against phishing, spoofing, social engineering, identity theft, viruses, malware, and ransomware. Its maker says machine-learning filters adapt to known and previously unknown threats and can eliminate up to 99.98% of junk mail before delivery. Zerospam runs on Amazon AWS Cloud, according to the maker, and requires no software installation; activation involves changing domain MX records, with technician assistance available. A 30-day trial ends without obligation and does not renew automatically. SMART costs €5 a month for up to five mailboxes, TOP costs €10 a month for up to 1,000, and PREMIUM costs €20 a month with archiving.
Good
- Filters mail before mailbox delivery
- Quarantine review with approve or delete
- Protection claims cover multiple threats
- No software installation required
- 30-day trial without automatic renewal
Watch out
- No free plan after trial
- MX record changes are required
- Quarantine access is administrator-only
- Archiving appears only on PREMIUM
Who it suits
It suits organizations seeking external filtering for domain email and administrator-controlled quarantine. It is designed for cloud-gateway deployment through MX-record changes.
Verdict
Zerospam places filtering and quarantine before delivery, with web administration and technician-supported setup. Its paid plans differ by mailbox limits and archiving, while deployment requires domain MX changes.
Plans and prices
From Zerospam's own pricing page, checked 4 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| SMART | €5 a month | Max 5 mailboxes on your domain · Unlimited messages · No email archiving |
| TOP | €10 a month | All mailboxes on the domain (max 1,000) · Unlimited messages · No email archiving |
| PREMIUM | €20 a month | All mailboxes on the domain (max 1,000) · Unlimited messages · Email archiving |
The facts
Each one read from Zerospam's own pages, with the date it was checked.
What it does
- Archiving
- The PREMIUM plan includes email archiving, while SMART and TOP list no email archiving.checked 4 Oct 2026
- Detection
- The maker says its machine learning filters learn automatically and detect known and previously unknown threats.checked 4 Oct 2026
- Filtering
- Its service receives email, filters it, quarantines messages it considers unsafe, and delivers the rest to the mail server.checked 4 Oct 2026
- Hosting
- The maker says its protection service is based on Amazon AWS Cloud.checked 4 Oct 2026
- Installation
- The maker describes activation as requiring no software to install or configure.checked 4 Oct 2026
- Purpose
- Zerospam is an external email security service that filters domain mailboxes for spam, phishing, viruses, and malware.checked 4 Oct 2026
- Quarantine
- An administration panel lets users review quarantined messages and delete or approve them.checked 4 Oct 2026
- Setup
- Activation is done by editing the mail domain’s MX records, with a technician helping configure them.checked 4 Oct 2026
- Spam claim
- The maker says the service can eliminate up to 99.98% of junk mail before it reaches the destination mailbox.checked 4 Oct 2026
- Support
- Professional technical support is provided by expert staff via email or phone, and a technician contacts trial applicants to help with configuration.checked 4 Oct 2026
- Threat coverage
- The service advertises protection against phishing, spoofing, social engineering, identity theft, viruses, malware, and ransomware.checked 4 Oct 2026
The company
- Company
- The Zerospam site identifies Genesi.IT S.r.l. as the company behind the service.checked 4 Oct 2026
- Founded
- 1996checked 28 Sep 2026
- Headquarters
- Rome, Italychecked 28 Sep 2026
Money
- Trial
- The free trial lasts 30 days, expires without obligation, and does not renew automatically.checked 4 Oct 2026
Alternatives to Zerospam
- 1
Rspamd
Free planOpen sourceWebAPILinuxmacOS8.2From £100 a month - 2
SPAMfighter
Free planAndroidiOSExtensionmacOS8.0From $29 a year - 3
MailWasher
Free planAndroidiOSSelf-hostedWindows7.8From $49.95 a year - 4

Apache SpamAssassin
Free planOpen sourceAPILinuxmacOSSelf-hosted7.4Free plan - 5
JetEmail
Free planWebAPI7.1From $10 a month - 6

Mailprotector
Free planWebAPI7.0Free plan
