Topic: relayhost but keep own domain internal [SOLVED]
i'm trying to set up the iRedMail with LDAP and iRedAdmin-Pro to relay all external adresses/domains over our ISP’s smtp server. Unfortionally I noticed that when I enter the smtprelay into my domains in the iRedAdmin-Pro it starts to relay everything over the ISP smtp, including from local to local (email@example.com to firstname.lastname@example.org for example)
Is it possible to configure postfix in a way to relay everything except for internal emails to the ISP smtp?
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