Outbound Email
Mailshake Review
One of the original cold email platforms, still supported and stable in 2026 — the tool teams stay on when their legacy setup works, rarely the tool teams pick fresh in the current market.
Mailshake at a glance
The RevenueHoop take on Mailshake
Mailshake is a legacy cold email tool that still works. It has a functional UI, competent deliverability under 5k emails/month, and a genuinely useful Salesforce integration for teams that need it. It's also a tool we almost never recommend for a fresh deployment in 2026 — Smartlead beats it at scale, Instantly beats it on UX, and Lemlist beats it on personalization. If you're already on Mailshake and it's working, don't migrate for the sake of migrating. If you're picking a cold email tool from scratch, pick something else.
Best for
- Existing Mailshake customers whose current setup is working and stable
- Small sales teams (1-5 seats) with Salesforce and simple sequencing needs
- Teams that value long-term vendor stability over feature velocity
- Any team where "we already have it, don't add a migration project" is a real constraint
- Simple outbound motions where the modern tools' extra features aren't needed
When to use it
Use Mailshake if you're already on it, your deliverability is fine, and your team knows how to operate it. The Salesforce integration is genuinely deeper than most competitors' at the SMB tier, and migration cost is real. Stay if there's no reason to move.
In rare cases, Mailshake is the right pick for teams whose IT policy requires long-standing vendors with a decade+ track record. If procurement won't approve Smartlead but will approve Mailshake, take the win.
When NOT to use it
For a fresh deployment in 2026, don't pick Mailshake. Almost every use case is better served by Smartlead, Instantly, or Lemlist. Mailshake's feature velocity has trailed the newer entrants for years now.
Skip Mailshake if your motion is high-volume (5k+ emails/month) — deliverability at scale is meaningfully weaker than Smartlead.
Pros and cons
Pros
- Stable, mature product with a decade+ track record
- Genuinely good Salesforce integration for SMB tier
- Simple, functional UI that new users pick up fast
- Reliable deliverability under 5k emails/month
- Competent support and documentation
- Won't disappear or pivot — vendor stability is real
Cons
- Feature velocity trails Smartlead, Instantly, and Lemlist
- Deliverability at scale (5k+/month) is meaningfully weaker
- UI is dated compared to modern alternatives
- No native multichannel (email + LinkedIn) — email-only
- Personalization features are basic vs. Lemlist
- Not a fit for modern GTM engineering workflows
Mailshake vs. the alternatives
Mailshake against the modern cold email leaders — with an honest 2026 assessment of when to migrate.
Starter price
- Mailshake
- $58/user/mo
- Smartlead
- $39/mo
- Instantly
- $37/mo
- Lemlist
- $59/mo
Best for volume
- Mailshake
- 500-5k/mo
- Smartlead
- 5k-500k+/mo
- Instantly
- 1k-20k/mo
- Lemlist
- 1k-15k/mo
Deliverability at scale
- Mailshake
- ⚠️
- Smartlead
- Best ✅
- Instantly
- Strong under 20k ✅
- Lemlist
- Under 10k ✅
UI polish
- Mailshake
- Dated
- Smartlead
- Functional
- Instantly
- Best in category ✅
- Lemlist
- Beautiful ✅
Feature velocity
- Mailshake
- Slow
- Smartlead
- Fast
- Instantly
- Fast
- Lemlist
- Fast
Salesforce integration
- Mailshake
- Solid
- Smartlead
- Solid
- Instantly
- Solid
- Lemlist
- Solid
RH pick?
- Mailshake
- ❌ (only for existing users)
- Smartlead
- Default at scale ✅
- Instantly
- Under 5k volume ✅
- Lemlist
- Personalization-heavy ⚠️
| Dimension | Mailshake | Smartlead | Instantly | Lemlist |
|---|---|---|---|---|
| Starter price | $58/user/mo | $39/mo | $37/mo | $59/mo |
| Best for volume | 500-5k/mo | 5k-500k+/mo | 1k-20k/mo | 1k-15k/mo |
| Deliverability at scale | ⚠️ | Best ✅ | Strong under 20k ✅ | Under 10k ✅ |
| UI polish | Dated | Functional | Best in category ✅ | Beautiful ✅ |
| Feature velocity | Slow | Fast | Fast | Fast |
| Salesforce integration | Solid | Solid | Solid | Solid |
| RH pick? | ❌ (only for existing users) | Default at scale ✅ | Under 5k volume ✅ | Personalization-heavy ⚠️ |
The RevenueHoop opinion
Mailshake is the tool we tell existing customers not to migrate away from without a clear reason. It's not a tool we recommend to anyone starting fresh. That's the honest 2026 assessment. Mailshake was best-in-class in 2019; the market moved. Vendor stability has real value, but not enough to overcome the feature and deliverability gap for a fresh deployment.
— Written by the RevenueHoop team. Last updated July 2026.
Mailshake FAQ
One of the original cold email platforms, still supported and stable in 2026 — the tool teams stay on when their legacy setup works, rarely the tool teams pick fresh in the current market. Mailshake is a legacy cold email tool that still works. It has a functional UI, competent deliverability under 5k emails/month, and a genuinely useful Salesforce integration for teams that need it. It's also a tool we almost never recommend for a fresh deployment in 2026 — Smartlead beats it at scale, Instantly beats it on UX, and Lemlist beats it on personalization. If you're already on Mailshake and it's working, don't migrate for the sake of migrating. If you're picking a cold email tool from scratch, pick something else.
Mailshake fits teams that need Existing Mailshake customers whose current setup is working and stable; Small sales teams (1-5 seats) with Salesforce and simple sequencing needs; Teams that value long-term vendor stability over feature velocity; and Any team where "we already have it, don't add a migration project" is a real constraint.
For a fresh deployment in 2026, don't pick Mailshake. Almost every use case is better served by Smartlead, Instantly, or Lemlist. Mailshake's feature velocity has trailed the newer entrants for years now.
The alternatives we compare Mailshake against are Smartlead; Instantly; Lemlist; and Clay. Mailshake against the modern cold email leaders — with an honest 2026 assessment of when to migrate.
Mailshake is the tool we tell existing customers not to migrate away from without a clear reason. It's not a tool we recommend to anyone starting fresh. That's the honest 2026 assessment. Mailshake was best-in-class in 2019; the market moved. Vendor stability has real value, but not enough to overcome the feature and deliverability gap for a fresh deployment.