Microsoft is removing SMTP auth in under a year
SMTPtoGraph is an SMTP to Exchange Online relay that the graph API to send emails directly through your Microsoft 365 Tenant.
Provides an SMTP to Exchange Online relay without having to host your own SMTP relay.
SMTPtoGraph does not store any messages, it simply receives and sends them all in memory.
SMTPtoGraph does log the sender, receiver, sender IP, the status of the mail, and a timestamp.
Supports STARTTLS Authenticated SMTP clients.
Also provides a No Authentication Relay but with Source Email/ Destination Email/ Source IP Whitelisting
Easy to Use
Easy to set up for your Microsoft 365 Tenant with scripts provided
Just set up an email and password and enter your Entra App ID/Secret/Tenant ID and you are ready to go. It uses your tenant directly with the Graph API to send emails.
Supports Microsoft SSO To Effortlessly log in with Microsoft 365 for secure and fast access.
One Click Tenant Setup Coming soon.
Future Proof SMTP Easily
Keep using SMTP only devices with your Exchange Online Email
Continue using programs that only support SMTP
SMTPtoGraph uses your Microsoft Tenant and the Graph API to send emails directly.
SMTPtoGraph itself does not send the emails, it requires you to have a Microsoft 365 tenant.
Multiple Options Available
Set up an SMTP user and link it with an Entra app registration in your tenant.
Or use the 'open' relay and secure it with the whitelist so mail goes only where you want.