Senders
Senders is a deliverability service that protects sender reputation and improves inbox placement for B2B outbound campaigns.
Updated April 2026
Outbound Sending
Overview: What is Senders?
They combine proprietary infrastructure with hands-on strategy and copy support. Built for SaaS companies running high-volume email programs in North America and Europe.
Capabilities
Key features.
01
Managed domain warmup and reputation monitoring
02
Proprietary infrastructure built on SendGrid
03
A/B testing for subject lines and body copy
04
Custom email copywriting for outbound campaigns
05
Sender reputation protection and repair
06
Deliverability strategy consulting
07
Supports US, Canada, and EU sending regions
At a glance
Quick facts.
- Stack position
- Outbound Sending
Talk to us: Pick the tool. We run the system around it.
Senders is one part of a stack. We build and run the revenue system it plugs into.
Talk to Phi