SendScale Email Warmup
6.7#9 in email warmup softwareFrom $260 a monthFree planWebAPI
VisitSendScale names SDRs, agencies, founders, marketers, staffing agencies, growth teams, freelancers, and recruiters as audiences for its email warmup service.
Swokei suits web design agencies and freelancers seeking website-based prospect research and personalized outreach. Its free option may fit someone exploring lead generation, but sending requires a paid plan.