【postfix】smtp Relay file name too lang

[gift95]

Operating System

Linux

OS Version

debian 12

System Architecture

x86_64

Docker Version

29.2.1

Docker Compose Version

2.26.1

Reproducible in Latest Version?

Yes, occurs in the latest stable release

Reproduction Steps

• add Customer SMTP server from Oracle

Observed Behavior

2026-03-16T09:16:14.433628+00:00 postfix postfix/postfix-script[376]: starting the Postfix mail system 2026-03-16T09:16:14.442923+00:00 postfix postfix/master[377]: fatal: unix-domain name too long: private/smtp_Relay_smtp_email_ap_chuncheon_1_oci_oraclecloud_com_ocid1_user_oc1_aaaaaaaau3kf7mwyjfoeotboxdc3k4oa6cuput76bc5xhftp26b7ptfrqpla_1 2026-03-16T09:16:15.484574+00:00 postfix postfix/postfix-script[384]: fatal: the Postfix mail system is not running