How to send mail on behalf of another domain?

V

VN2021-01-15 13:17:06

linux

VN, 2021-01-15 13:17:06

There is an ExchangeOnline mail server with a Domain.com domain name
and there is a Postfix mail server with the SomeName.com name Please tell me

how to configure DNS so that the SomeName.com mailer can send messages on behalf of Domain.com

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1 answer(s)

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Yakov, 2021-01-16
@kavabangaungava

1. Specify the IP address of the SomeName.com mailer in the DOMAIN.COM SPF record. This can be done in several ways, by directly specifying the IP - insert ip4:192.168.0.1 by specifying the IP of the server, through the include mechanism - by inserting include: somename.com or through the mechanism a - a: somename.com
2. For the DOMAIN.COM domain, register on the server SomeName.com and in DOMAIN.COM DNS records separate DKIM