hi
I have a mailcow server configured with 2 domains, mail.example1.com and mail.example2.com,
the server has the hostname mail.example1.com, but when I send an email with domain 2 (email.example2.com) everything works very well but when I consult the details of the email, in fact it is sent by email .example1.com.
is this normal?
and when I consult the webui of mail.example1.com the certificate is correct, and when I consult the webui of mail.example2.com it is the certificate of mail.example1.com which is used, I have no ssl error and I receive and send emails without problem. is this also normal?
I specify my config:
MAILCOW_HOSTNAME=mail.example1.com
ADDITIONAL_SERVER_NAMES=
ADDITIONAL_SAN=mail.example1.com,mail.example2.com
SKIP_LETS_ENCRYPT=n
ENABLE_SSL_SNI=y
SKIP_IP_CHECK=n
SKIP_HTTP_VERIFICATION=n
all the certificates are created without any error (autoconfig, autodiscover…..)

  • Yes, both is normal, you have to look at the details of the certificate, at “Subject Alternative Names”, there you will find mail.example2.com

Yes, both is normal, you have to look at the details of the certificate, at “Subject Alternative Names”, there you will find mail.example2.com

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yes that’s correct, I found the 2 domain names, so it’s me who worried for nothing. THANKS

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