Postmark by ActiveCampaign delivers transactional emails with high deliverability.. Choose a protocol below to get started with step-by-step setup instructions.
Authorise which servers can send email for your domain
v=spf1 include:spf.mtasv.net ~allCryptographically sign your outgoing emails
v=DKIM1; k=rsa; p=YOUR_PUBLIC_KEY_FROM_POSTMARKSet policies for failed authentication checks
v=DMARC1; p=none; rua=mailto:dmarc-reports@yourdom...