If I send mails from main domains then it’s ok. But if I try to send mail from subdomains then all messages are frozen in exim queue.
Before I used VestaCP and do not have similar problems.
DNS not used in panel, I use third party services for DNS.
For main domains DNS mail records is ok.
All frozen messages have a this log:
2025-02-19 02:37:17 Received from <> R=1tkX9Q-00Gyo3-6l U=Debian-exim P=local S=2338
2025-02-19 02:37:27 H=subdomain.domain.com [XX.XX.XX.XX] SMTP error from remote mail server after RCPT TO:<admin@subdomain_domain_com>: 550 relay not permitted
2025-02-19 02:37:27 admin@subdomain_domain_com R=dnslookup T=remote_smtp H=subdomain_domain_com [XX.XX.XX.XX] X=TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_128_GCM:128 CV=no: SMTP error from remote mail server after RCPT TO:<admin@subdomain_domain_com>: 550 relay not permitted
*** Frozen (delivery error message)
This log is given comand “exim -Mvl”. I setup mail for my domain.com on service like google mail for business. And i dont need mail for subdomain. why?))
I think Exim trying send mail inside server (subdomain.domain.com), but server deny resend mail, bacuse server not have mail server. And server think that subdomain.domain.com is only local domain. Because a do not install DNS server when a install hestia. Is it real?