Multiple SMTP Senders
Configure and manage multiple SMTP senders in one place. OutSends rotates between them automatically to scale volume and protect each sender's reputation.
How it works
Get started with multiple smtp senders in a few simple steps.
Add SMTP senders
Add each of your SMTP servers or provider accounts in OutSends sender settings.
Set priorities
Configure the order and send distribution percentage for each sender.
Set daily limits
Define individual daily limits per sender to protect each account.
Launch campaigns
OutSends automatically rotates between your configured SMTP senders.
Why OutSends for multiple smtp senders
Everything you need, integrated in one workspace.
- Scale beyond individual SMTP account limits
- Automatic failover if one sender fails or hits limits
- Distribute volume to protect each sender's reputation
- Centrally manage all senders from one dashboard
Related features
Explore more capabilities that work alongside multiple smtp senders.
Frequently asked questions
How does OutSends distribute emails across senders?
You can configure round-robin or percentage-based distribution across your senders.
Can I set different domain signatures per SMTP sender?
Yes, each sender can have its own DKIM and SPF configuration for optimal deliverability.
What happens when one sender hits its daily limit?
OutSends automatically fails over to the next available sender without interrupting your campaign.
Ready to try multiple smtp senders?
Create a workspace, connect a sender, and launch your first campaign \u2014 free, no credit card.