✦ LazyBurst
Burst sends without burning your reputation.
Smart warm-up, IP rotation, throttled fan-out. Send 2M emails in an hour without bouncing.
Burst plan · 2M emails over 4 hours
IPs in rotation8 of 12
Throttle per IP125k / hr
Bounce rate0.02%
ETA2h 47m
Warm-up, rotation, throttle.
Smart warm-up
New IPs ramped over 7 days to protect domain reputation.
IP rotation
Spread load across multiple IPs to avoid ISP throttling.
Smart fan-out
Pace the send across hours to match each ISP's rate limits.
Bursts that need protection.
Launch announce
Send 2M emails on launch day without bouncing or throttling.
Black Friday
Coordinated promo blast across timezones with deliverability intact.
ESP migration
Cut over from a legacy ESP without losing reputation or open rate.