Automatic forwarding and domain auth before support cutover
Set up automatic forwarding and authenticate the support domain before the inbox migration goes live so the new workspace can handle real mail without looking improvised.
Why this can grow a startup
Support migrations often fail in the dull layer first. Messages route late, replies come from the wrong domain, and the team starts apologizing before the new workflow has even had a fair shot. Forwarding plus domain authentication lets the team test live traffic early and makes the cutover feel legitimate to both agents and customers.
Source-backed example
Intercom's email support setup requires automatic forwarding and domain authentication for support mail, and it treats the shared intercom-mail.com domain as a temporary testing setup rather than a long-term answer.
Source-reported evidence
Source: Intercom Help · Browse Intercom Help tactics
1 shared domain for initial testing before a custom reply domain is recommended
Attributed to the cited source; GrowthDex has not independently verified it. Use this as context, not as a forecast, benchmark, or recommended target.
Evidence scope: claims and metrics are attributed to the linked source; GrowthDex has not independently replicated the reported result. Check the original context and validate fit before applying it. Read the evidence methodology.
Source discovered: May 25, 2026
When to use it
Use this when Support, Email, Lifecycle is relevant to migration, deliverability, support ops and you can run a bounded test with a low budget.
When not to use it
Do not use it as a substitute for customer evidence, a clear owner, or a measurable stop condition. Local platform rules and market behavior still need checking.
How to do it
- Choose one target segment and define the exact next action this tactic should prompt.
- Adapt the tactic to Support and Email, using evidence from Intercom Help as context—not as a promised result.
- Record a baseline for: Users who resolve the issue and complete the next useful action. Set a guardrail that would make you pause the test.
- Run a narrow pilot and choose a test window that fits the normal decision or use cycle; do not scale before you have observed the full cycle.
- Compare the signal with its baseline. Scale only if the intended action improves without crossing the guardrail; otherwise revise one variable or stop and record what you learned.
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