On Tue, May 05, 2026 at 12:34:33PM -0400, Tom via Postfix-users wrote:

> postmap: cfg_get_str: /etc/postfix/virtual_mailbox_domains.cf: 
> tls_ca_cert_file = /etc/letsencrypt/live/cor.redacted.com/fullchain.pem

What do you expect the above to mean, and why?

> postmap: cfg_get_str: /etc/postfix/virtual_mailbox_domains.cf: bind = yes
> postmap: cfg_get_str: /etc/postfix/virtual_mailbox_domains.cf: bind_dn = 
> cn=postfix,ou=apps,dc=redacted,dc=com
> postmap: cfg_get_str: /etc/postfix/virtual_mailbox_domains.cf: bind_pw = 
> redacted
...
> postmap: cfg_get_str: /etc/postfix/virtual_mailbox_domains.cf: tls_cert = 
> /etc/letsencrypt/live/cor.redacted.com/cert.pem
> postmap: cfg_get_str: /etc/postfix/virtual_mailbox_domains.cf: tls_key = 
> /etc/letsencrypt/live/cor.redacted.com/privkey.pem

Does the server request client certificates, or does it use a
password-based login?  The "bind" settings suggest the later...

> postmap: dict_ldap_connect: Binding to server ldaps://ldap.redacted.com with 
> dn cn=postfix,ou=apps,dc=redacted,dc=com
> postmap: warning: dict_ldap_connect: Unable to bind to server 
> ldaps://ldap.redacted.com with dn cn=postfix,ou=apps,dc=redacted,dc=com: -1 
> (Can't contact LDAP server)
> postmap: fatal: table ldap:/etc/postfix/virtual_mailbox_domains.cf: query 
> error: Application error

Well, can't get far without making a TCP connection.

-- 
    Viktor.  🇺🇦 Слава Україні!
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