Microsoft Defender for Office 365
5.4#4 in email spam filtering softwareWeb
VisitMicrosoft Defender for Office 365 vs SpamTitan Gateway
SpamTitan Gateway
5.8#2 in email spam filtering softwareWebSelf-hosted
VisitWhat both publish
| Fact | Microsoft Defender for Office 365 | SpamTitan Gateway |
|---|---|---|
| Headquarters | Redmond, Washington, United States | Galway, Ireland |
Microsoft Defender for Office 365 plans
- Microsoft Defender for Business$3 a month
- Microsoft Entra Internet Access$5 a month
- Microsoft Entra Suite$12 a month
SpamTitan Gateway plans
- SpamTitan GatewayPriced on request
Pick Microsoft Defender for Office 365 if…
You want what its maker publishes above — check its page for the details.
Pick SpamTitan Gateway if…
It suits businesses seeking on-premises email filtering and administration, including ISPs and MSPs offering anti-spam services. Administrators can use its mail controls and recipient verification options.