BillionMail routing email locally while MX is External #308
Description
What do you want to ask?
Hello,
We have added a domain for example abcd.com, we have only 1 user (no-reply@abcd.com). abcd.com's MX is ponted to Google Workspace.
However, when we are sending email from no-reply@abcd.com to someone@abcd.com, it's failing because it's checking for user at this billionmail setup & not looking for external MX (which is Google Workspace). We have user there.
As I'm not sure where the settings is, I'm putting this in Question section rather than enhancement/bug. Billionmail should check MX Record from Domain, not route locally, or at least provide option to select "Remote Mail Exchanger".
Email Addresses are changed in log.
<no-reply@abcd.com> (expanded from <someone@abcd.com>): host
dovecot[172.66.1.7] said: 550 5.1.1 <someone@abcd.com> User doesn't exist:
no-reply@abcd.com (in reply to RCPT TO command)
Reporting-MTA: dns; abcd.com
X-PostBillionMail-Queue-ID: BC37F907318
X-PostBillionMail-Sender: rfc822; no-reply@abcd.com
Arrival-Date: Mon, 26 Jan 2026 17:14:34 +0600 (+06)
Final-Recipient: rfc822; no-reply@abcd.com
Original-Recipient: rfc822;someone@abcd.com
Action: failed
Status: 5.1.1
Remote-MTA: dns; dovecot
Diagnostic-Code: smtp; 550 5.1.1 <someone@abcd.com> User doesn't exist:
someone@abcd.com