Practical security for cloud accounts and application email: access control, audit logging and authentication.
The same security baseline mapped to the specific controls of eleven cloud providers: multi-factor authentication, scoped identities, network filtering, audit logging and posture monitoring.
Why DigitalOcean, Linode, Hetzner, UpCloud, OVHcloud and Alibaba Cloud restrict outbound SMTP, how their unblock processes differ, what Kamatera does instead, and the reliable ways to send email from any cloud server.
A phased checklist for securing a cloud account you own, covering MFA on the owner identity, least privilege, secrets, network exposure and audit logging.
How SPF, DKIM and DMARC work together for application email, which DNS records to publish, and how to reach a reject policy without blocking legitimate mail.
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