Documentation

Support & documentation.

From installation to the finer points of retention. Pick a topic or browse the table of contents.

Setup

Installation, connecting Microsoft 365, permissions and the wizard up to the first real test mail.

Installation · Register Azure app · Permissions & consent · First start & wizard

Settings and features

Every setting and feature explained, from certificates and monitoring to licensing.

Settings explained · Certificates · Renew the client secret · Webhooks · Hook up monitoring · Backup & restore · Dashboard · Maillog · Mailflow and rule tester · Rule counters · Journal BCC · Retention with proof · Sandbox & migration · Outbound rules · REST interface · MCP server · Syslog & SIEM · SMTP users from CSV · Automatic updates · Recipient restrictions · Block lists and allowing · IPv4 and IPv6 · Limits · Licensing

Troubleshooting and error codes

What an error message means, common problems and the most frequent support questions.

SMTP error codes · Troubleshooting · FAQ

NIS2 supplier answers

The usual NIS2 questions about SMTPly, ready to copy.

Information for supplier questionnaires (NIS2)

Scan to email by manufacturer

Step-by-step guides to keep multifunction devices sending to Microsoft 365 after SMTP Basic Auth ends.

Kyocera · Ricoh · Canon

Leave a review

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You can also leave a review of IT Beratung – Andreas Hähnel as a company on Trustpilot.

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Contact

Support requests, feature suggestions or Enterprise edition inquiries: