1

Topic: Unable to send email

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- iRedMail version 1.6.3
- Deployed with downloadable installer
- Debian 11
- Store mail accounts MySQL
- Web server Nginx
====

Hello I need help please,

In RoundCube I have this error:
- 554 5.7.1 Client host rejected: Access denied (in reply to RCPT TO command)

In mail logs got those:
- Client host rejected: Access denied
- Anonymous TLS connection established

* Please note: I do have a rPTR at Hetzner and I'm able to get email, however.

Best.

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Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

2

Re: Unable to send email

Did you modify any Postfix config?