Spam Experts Help

Set up Your SMTP Hostname

Trial Users

SMTP hostname: smtp-trial.antispamcloud.com (port 587/465)

SPF record: v=spf1 include:spf-trial.antispamcloud.com -all

Customers

SMTP hostname: smtp.antispamcloud.com (port 587/465)

SPF record: "v=spf1 include:spf.antispamcloud.com -all"

EU/US-only

For redundancy reasons we recommend using our generic hostname. Our up-time and service level guarantees do not apply to the EU/US-only records.

  • EU-only: eu.smtp.antispamcloud.com (port 587/465)
  • US-only: us.smtp.antispamcloud.com (port 587/465)

Using the above records forces usage of our EU/US server infrastructure, however deliveries may still be routed via our international platform. Please contact support to force-set your customer ID to EU/US-only delivery servers to ensure messages are not re-routed internationally.

Branded SPF hostname

If you want to use your own domain in your clients' SPF records, use the "include" option:

  1. Create a subdomain for the domain you wish to add to your clients SPF spf.example.com (spf.example.com).
  2. Create a TXT record for spf.example.com (spf.example.com) with the following details:
  3. v=spf1 include:spf.antispamcloud.com -all

  4. Add the following TXT record to your clients' domain DNS:
  5. v=spf1 include:spf.example.com -all