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Virus Bulletin VBSpam Q1 2026

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Test Lab

Virus Bulletin

Test Title

Virus Bulletin VBSpam Q1 2026

AMTSO Test ID

AMTSO-LS1-TP179

Platform

Email Filters

Vendor

Bitdefender, Coro, Fortinet, N-able, Net at Work, Rspamd, SEPPmail, Zoho Mail

Publication date

2026-03-20
More info on tester site

Statement from Test Lab

VBSpam is a continuously running comparative test programme for email security solutions. The test seeks to measure and compare the performance metrics of the publicly tested email security solutions.

Tested products

VendorProductVendor status
BitdefenderGravityZone Premiumincluded
CoroEmail Securityincluded
FortinetFortiMailparticipant
N-ableMail Assureincluded
N-ableSpamExpertsincluded
Net at WorkNoSpamProxyincluded
RspamdPremium 3.14.3included
SEPPMailSEPPmail.cloudfilterincluded
Zoho MailZoho Mailincluded

AMTSO Standard compliance info

Notification issued

2026-01-12

Notification method

Publicly posted test plan, Contact list notification

Test plan

View test plan

Commencement date

2026-02-01

Participants

1
These Vendors chose to adopt Participant status under the AMTSO Standard, gaining certain guaranteed rights in return for attestations.

“Included” Vendors

8

These Vendors did not chose to adopt Participant status under the AMTSO Standard, but may have engaged with the test lab in other ways.

Commentary dates

CommentaryStart dateEnd date
Phase 1 Commentary 2026-01-122026-03-25
Phase 2 Commentary 2026-03-252026-04-01

AMTSO Standard compliance status

Confirmed Compliant with AMTSO Standard v1.3Compliance report

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