Immune
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Per-mailbox email gateway

Immune vs MailRoute

MailRoute is built to filter every mailbox in an organization. Immune is built for the few addresses you publish to the world, with verification instead of another content score.

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About MailRoute

Different jobs

MailRoute is a hosted email security gateway billed per mailbox. Aliases and distribution lists are free add-ons on those seats.

CapabilityImmuneMailRoute
Primary jobVerify first-contact senders on high-exposure addressesSpam and virus filtering per mailbox
Billing unitProtected inboxes and monthly volumePer user/mailbox (aliases free)
Public inbox modelDesigned for support@, contact@, partnerships@Treats shared aliases like attachments to a real seat
Challenge / CAPTCHACore productNot the model (filter and quarantine)
Helpdesk destinationsNative routing per inboxDelivers into your mail stack, then you forward elsewhere

Choose Immune when

Public and shared inboxes are the pain

  • You only need to harden a handful of public or shared addresses, not every employee seat.
  • Aliases are not enough: you need challenge-gated virtual addresses with their own destinations.
  • You are tired of clean-looking cold email that sails through gateway scores.

MailRoute may still fit when

You need something else

  • You need inbound and outbound filtering for every mailbox in the company.
  • You want continuity, LDAP sync, and classic SEG features across the whole org.

More comparisons

See Immune against other tools

vs SpamHero vs Proofpoint vs Mimecast vs Barracuda vs SpamTitan vs Microsoft 365 vs Google Workspace vs Radr vs SaneBox

Protect the inboxes filters leave open

Put a challenge gateway in front of support@, contact@, and the other addresses you publish.

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