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Yes. Tier migrations are free of charge and produce no warmup penalty because the IPs assigned at any tier are already warmed before customer traffic began. The most common upgrade path is Starter to Pro after 4-6 months when monthly volume crosses 250K; the migration completes within 24 hours and produces no deliverability impact because the underlying infrastructure remains the same. Downgrades are similarly straightforward; customers with seasonal volume swings sometimes oscillate between tiers to match actual operating volume.

We do not offer free trials because the pre-warmup work (30-45 days of building IP reputation before customer traffic begins) is structurally expensive and represents real operational cost that needs to be recovered. We offer pro-rata refunds for the unused portion of any billing period if customers decide to terminate, and we honour these consistently across all tiers and services. The refund policy in our legal documents describes the specific terms; the short version is that customers pay for service they receive and receive a refund for service they do not.

Tier limits are envelopes, not hard caps. Occasional spikes (one-time campaign blasts, seasonal peaks, product launches) are accommodated without surcharge as long as the underlying IP reputation supports the volume. Sustained operation above tier capacity for more than 2-3 weeks triggers a conversation about migrating to the appropriate tier. We do not silently throttle, charge overage fees without notice, or terminate service for crossing volume thresholds; the operational reality is that volume management requires actual coordination rather than billing automation.

For domains, yes; every customer brings their own sending domains because that is where reputation lives. We provide the SMTP infrastructure, IP addresses, and authentication handling; customers provide the domain and configure DNS. For IP addresses, generally no. The dedicated IPs included in our SMTP tiers are sourced from ranges we own or contract directly, with documented allocation history that supports deliverability. Customer-provided IPs would require us to run the warmup and reputation work on infrastructure we do not control, which produces results we cannot guarantee. Customers who own existing clean IPs typically use them for separate purposes (web hosting, application traffic) while our IPs handle the sending.

For greenfield SMTP relay deployments: 30-45 days because of the pre-warmup work on the IPs that the customer will use. The IPs are pre-warming during this period so that when customer traffic begins, the IPs have already accumulated clean reputation. For VPS or dedicated server orders without SMTP relay services, 4-72 hours depending on jurisdiction. For one-time services (audits, blacklist delisting, consultations), 24-72 hours to first deliverable. For bundles that include pre-warmed infrastructure as a structural component, the pre-warmup window applies in the same way.