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Forwarded to devs 554 5.7.1 <test@dömäin.tld>: Relay access denied;

matbcvo

Basic Pleskian
Username: matbcvo

TITLE

554 5.7.1 <test@dömäin.tld>: Relay access denied;

PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE

Plesk Obsidian v18.0.34_build1800210305.11 os_CentOS 7
CentOS Linux 7.9.2009 (Core)

PROBLEM DESCRIPTION

Some of our customers have IDN domains (for example dömäin.tld). All emails that are sent to email addresses that contains IDN domain are getting rejected. Only emails that are sent to email addresses that does not contain IDN domain are delivered successfully.

One of our customer have 2 domains: domain.tld (alias domain) and dömäin.tld (main).
When I send email to:
a) domain.tld (not IDN domain) - email is delivered successfully
b) dömäin.tld (is IDN domain) - email is not delivered, I'm getting delivery status notification with error: 554 5.7.1 <test@dömäin.tld>: Relay access denied;

Code:
Mar 22 09:34:04 alpha postfix/smtpd[32671]: NOQUEUE: reject: RCPT from mail-eopbgr60123.outbound.protection.outlook.com[40.107.6.123]: 554 5.7.1 <test@dömäin.tld>: Relay access denied; from=<[email protected]> to=<test@dömäin.tld> proto=ESMTP helo=<EUR04-DB3-obe.outbound.protection.outlook.com>
Mar 22 09:34:04 alpha postfix/smtpd[32671]: disconnect from mail-eopbgr60123.outbound.protection.outlook.com[40.107.6.123] ehlo=2 starttls=1 mail=1 rcpt=0/1 quit=1 commands=5/6
Code:
Mar 22 11:15:02 alpha postfix/smtpd[19606]: connect from mail-lf1-f43.google.com[209.85.167.43]
Mar 22 11:15:02 alpha postfix/smtpd[19606]: NOQUEUE: reject: RCPT from mail-lf1-f43.google.com[209.85.167.43]: 554 5.7.1 <test@dömäin.tld>: Relay access denied; from=<[email protected]> to=<test@dömäin.tld> proto=ESMTP helo=<mail-lf1-f43.google.com>
Mar 22 11:15:02 alpha psa-pc-remote[15534]: Message aborted.
Mar 22 11:15:02 alpha postfix/smtpd[19606]: disconnect from mail-lf1-f43.google.com[209.85.167.43] ehlo=2 starttls=1 mail=1 rcpt=0/1 bdat=0/1 quit=1 commands=5/7

However it's possible to send emails FROM email address that contains IDN domain, but can't receive any emails.

STEPS TO REPRODUCE

Add IDN domain
Create email address that contains IDN domain
Send email to that email address

ACTUAL RESULT

Getting delivery status notification with error 554 5.7.1 <test@dömäin.tld>: Relay access denied

EXPECTED RESULT

Email should be delivered to that email address that contains IDN domain

ANY ADDITIONAL INFORMATION

/etc/postfix/main.cf : https://pastebin.com/raw/viCMQ8Dd

YOUR EXPECTATIONS FROM PLESK SERVICE TEAM

Help with sorting out
 
Last edited:
I would like to fix that asap as our customers need working email address for their business. Is it possible to apply temporary bugfix until Plesk releases official update that fixes this bug?
 
Hello, this fix didn't resolve the issue for my domains. Is there another fix or any extra steps other than the postconf command?

When is the next plesk update? This is now affecting a large amount of users for us.

Thanks :)
 
Hello, this fix didn't resolve the issue for my domains. Is there another fix or any extra steps other than the postconf command?

When is the next plesk update? This is now affecting a large amount of users for us.

Thanks :)
Hi

See if your postfix/main.cf last line contains smtputf8_enable = no and restart postfix.
 
@Figrol
# postconf smtputf8_enable=no
# postfix reload

To check whether the configuration line is in main.cf:
# grep smtputf8_enable /etc/postfix/main.cf
 
Hi,

We are still having the problem in Plesk Version 18.0.41:

maillog:
Mar 4 10:23:01 d389.x-mailer.de postfix/smtpd[31206]: NOQUEUE: reject: RCPT from 139-177-176-177.ip.linodeusercontent.com[139.177.176.177]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<example.de>
Mar 4 10:23:01 d389.x-mailer.de postfix/smtpd[31206]: NOQUEUE: reject: RCPT from 139-177-176-177.ip.linodeusercontent.com[139.177.176.177]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<example.de>
Mar 4 10:26:58 d389.x-mailer.de postfix/smtpd[32731]: NOQUEUE: reject: RCPT from 139-177-176-177.ip.linodeusercontent.com[139.177.176.177]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<example.de>
Mar 4 10:26:58 d389.x-mailer.de postfix/smtpd[32731]: NOQUEUE: reject: RCPT from 139-177-176-177.ip.linodeusercontent.com[139.177.176.177]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<example.de>
 
i am having the same issue on
Plesk Obsidian 18.0.44
I would greatly apreciate it if you could help. Oubound mail from the domain is fine. Internal mail from one email to the other works fine i am just getting the error of 554 5.7.1 <[email protected]>: Relay access denied when attempting to send from an outbound email such as gmail ! Thanks !
 
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