To allow Vapor B2B to send emails on your behalf, you will have to add them to your SPF record. The SPF mechanism used by Vapor B2B is shown below.

include:amazonses.com include:_spf.google.com

For more information please click the button below.

For further information on configuring DKIM please contact Vapor B2B support.
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Create a free OnDMARC account to test your configuration.