<![CDATA[iRedMail — How to send as Alias with iRedmail EE, error: Sender is not same]]> https://forum.iredmail.org/topic21069-how-to-send-as-alias-with-iredmail-ee-error-sender-is-not-same.html Thu, 29 Jan 2026 02:47:35 +0000 PunBB <![CDATA[Re: How to send as Alias with iRedmail EE, error: Sender is not same]]> https://forum.iredmail.org/post91623.html#p91623 FYI https://docs.iredmail.org/errors.html#r … e-username

]]> Thu, 29 Jan 2026 02:47:35 +0000 https://forum.iredmail.org/post91623.html#p91623 <![CDATA[How to send as Alias with iRedmail EE, error: Sender is not same]]> https://forum.iredmail.org/post91616.html#p91616 ==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): iRedMail EE v1.6.1
- Deployed with iRedMail Easy or the downloadable installer? Upgraded from iRedMail Easy
- Linux/BSD distribution name and version: Ubuntu 22.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MariaDB
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? iRedMail EE
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

originally create server by iRedMail Easy.
Was able to send email using account _mailapp-sendasnoreply@mydomain.com as from=noreply@mydomain.com.

Upgrade to iRedMail EE last week.

not working now, got these kind of error:

Recipient address rejected: Sender is not same as SMTP authenticate username

postfix/submission/smtpd[2822189]: NOQUEUE: reject: RCPT from unknown[IP address of sending server]: 554 5.7.1 : Recipient address rejected: Sender is not same as SMTP authenticate username; from=noreply@mydomain.com to=tester@mydomain.com proto=ESMTP helo=<6b2e004adb96>

]]> Mon, 26 Jan 2026 21:57:40 +0000 https://forum.iredmail.org/post91616.html#p91616