Windows SMTP bridge for Microsoft 365
Keep the SMTP sender.
Fix the Microsoft 365 side.
Printers, scanners and older apps keep using SMTP on your network. SMTPReady queues each message on a Windows host you control, then sends it through your Microsoft 365 tenant with modern Microsoft authorization.
US$99 once. One perpetual license. One active Windows installation.
01Your senderPrinter · scanner · old app
SMTP · private LAN
02 · SMTPReadyWindows
250QUEUED LOCALLYSMTPReady returns 250 only after the message is durably stored.
HTTPS · customer identity
03Your tenantMicrosoft 365
Common problems
Replacing a relay or fixing a sender?
Product scope
SMTPReady connects local SMTP senders to one Microsoft 365 tenant and sending mailbox. Use it when Microsoft’s native routes cannot serve your setup.
License
US$99 once.
One perpetual license. One active Windows installation. Move the license to another machine later.