There are two tunable settings. Daily volume caps how many warming emails a mailbox sends per day (1-20, default 20). Ramp speed controls how fast volume grows to that cap (Slow / Normal / Fast, default Normal). Winnr's warming handles reply behavior automatically — that's not something you set. Defaults work for most cases — only lower volume or slow the ramp for brand-new domains.
Daily volume
The maximum warming emails per day a mailbox sends once fully ramped. Range 1-20, default 20 (20 is also the maximum).
- 20/day — the default and the ceiling. Enough signal to build real reputation on most mailboxes.
- 5-10/day — dial it down for a brand-new domain you want to treat gently, or an aged mailbox you just want to keep lightly active.
Higher isn't automatically better — reputation quality matters more than sheer volume, and a steady clean cadence beats pushing the ceiling. For a fresh domain, a lower volume plus a slower ramp is the cautious setup.
Ramp speed
How fast the mailbox grows from a low starting point up to its volume cap:
- Slow — slowest ramp. Best for brand-new domains.
- Normal — the default. Works for most setups.
- Fast — fastest ramp. For aged domains with an established sending history.
Shown per-mailbox as the "Ramp-up" column in the app. Ramp speed matters more than final volume for reputation building — a fast ramp on a new domain often triggers filters early, even if the final volume is modest.
What Winnr handles automatically
Reply behavior isn't a setting. Winnr's warming manages the engagement side (replies, opens, and positive actions across the warming network) on its own, so there's nothing to tune there — you only control daily volume and ramp speed.
When to change from defaults
Lower volume and/or slow the ramp if: - The domain is brand new (< 30 days). - The TLD is anything other than .com/.co/.net. - The mailbox has previously bounced or been throttled.
Use a faster ramp if: - The domain is aged 60+ days with clean history. - You want the mailbox ready sooner. - You're okay accepting slightly higher risk for a faster ramp.
Don't change if: - You're new to cold email — defaults are safer than experimentation. - Warming is already running fine — leave working systems alone.
What's next
Frequently asked questions
Should I max out volume immediately?
The default is already the max (20/day), but warming ramps to it gradually on purpose. Ramp speed is what controls how fast you get there — leaving ramp on Normal (or Slow for a brand-new domain) is the safe choice. The volume setting is a ceiling, not a day-one target.
Do I set the reply rate?
No. Winnr's warming manages reply behavior automatically — there's no reply-rate setting to tune. You only control daily volume and ramp speed.
Can I change settings mid-warmup?
Yes. Changes take effect within the next few hours. Bumping volume mid-warmup is fine as long as the mailbox has been running clean; drastically lowering it just delays warming without harm.
What if I have different tiers of mailboxes?
Some customers keep 1-2 "premium" mailboxes on Slow ramp and lower volume for high-value manual outreach, and let the bulk sending mailboxes ramp on Normal at full volume. Per-mailbox settings support this.