Best Stack2 Email Alternatives in 2026
The top Stack2 Email alternatives are Zoho Mail, Microsoft Exchange Online and Google Workspace: 15 email hosting our editors would look at instead of Stack2 Email, in our ranking order.
Stack2 Email: A practical choice for teams that want unlimited mailboxes under shared storage limits. Where it falls short: storage is shared across the pool rather than allocated per mailbox.
Switching from Stack2 Email? For most email hosting buyers the best Stack2 Email alternative is Zoho Mail, built for businesses needing value and broad email tools. Inbox.eu Business Email offers the most storage per mailbox (100 GB).
Why People Look for a Stack2 Email Alternative
- Storage is shared across the pool rather than allocated per mailbox
- No calendar functionality is included
- Mobile access relies on third-party apps
- No free plan — 6 of the alternatives below have it
- No calendar included — 8 of the alternatives below have it
Quick Picks by What You Need
- Best overallZoho Mail9.4
Businesses needing value and broad email tools
Visit Zoho Mail - Lowest priceZoho Mail9.4
Paid plans from $1/user/mo
Visit Zoho Mail - Best free optionZoho Mail9.4
Has a free plan (Stack2 Email has none)
Visit Zoho Mail - Most storage per mailboxInbox.eu Business Email8.7
100 GB
Visit Inbox.eu Business Email - Best for calendar includedZoho Mail9.4
Calendar included (Stack2 Email: no)
Visit Zoho Mail
All 15 Stack2 Email Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forBusinesses needing value and broad email tools
- Better than Stack2 Email:
- Free plan
- Calendar included
- Editor score 9.4 vs 5.3
A flexible business email suite with a free plan, low-cost entry tier, and migration support.
- Calendar included
- Migration tools
- IMAP/POP support
9.4/10★★★★★Visit Zoho Mail -
Best forOutlook-centered businesses and administrators
- Better than Stack2 Email:
- Editor score 9.2 vs 5.3
A deep Exchange service for organizations centered on Outlook and administration.
- Migration tools
9.2/10★★★★★Visit Microsoft -
Best forTeams wanting a mature, full collaboration suite
- Better than Stack2 Email:
- Calendar included
- Editor score 9.1 vs 5.3
A full Gmail-based collaboration suite for organizations that need more than email.
- Calendar included
- Migration tools
- IMAP/POP support
9.1/10★★★★★Visit Workspace -
Best forPrivacy-focused teams wanting generous storage
- Better than Stack2 Email:
- Free plan
- Editor score 8.9 vs 5.3
A privacy-focused email host with generous storage, migration tools and business controls.
8.9/10★★★★☆Visit Infomaniak -
Best forPrivacy-conscious users wanting polished encrypted email
- Better than Stack2 Email:
- Free plan
- Editor score 8.8 vs 5.3
A polished encrypted email service with a capable free plan and paid custom-domain support.
8.8/10★★★★☆Visit Proton Mail -
Best forVery low-cost hosted mailboxes
- Better than Stack2 Email:
- Calendar included
- Editor score 8.7 vs 5.3
A low-cost hosted email service with generous storage and practical migration tools.
- Calendar included
- Migration tools
- IMAP/POP support
8.7/10★★★★☆Visit Inbox.eu -
Best forBusinesses wanting broad email and collaboration tools
- Better than Stack2 Email:
- Calendar included
- Editor score 8.6 vs 5.3
A paid business workspace that combines hosted email with broad collaboration and administration features.
- Calendar included
- Migration tools
- IMAP/POP support
8.6/10★★★★☆Visit Yandex 360 -
Best forAWS-aligned businesses needing managed email
- Better than Stack2 Email:
- Calendar included
- Editor score 8.5 vs 5.3
A capable $4 mailbox service for AWS environments, with support ending March 31, 2027.
- Calendar included
- Migration tools
- IMAP/POP support
8.5/10★★★★☆Try Amazon WorkMail -
Best forBudget-conscious businesses needing standard email hosting
- Better than Stack2 Email:
- Calendar included
- Editor score 8.4 vs 5.3
Affordable business email with custom domains, core protocols and webmail tools.
- Calendar included
- Migration tools
- IMAP/POP support
8.4/10★★★★☆Visit OVHcloud -
Best forAffordable hosted Exchange with Outlook support
- Better than Stack2 Email:
- Editor score 8.3 vs 5.3
Affordable hosted Exchange for teams that need Outlook, mobile sync, and shared accounts.
- Migration tools
8.3/10★★★★☆Visit OVHcloud -
Best forBudget users needing standards-based private email
- Better than Stack2 Email:
- Editor score 8.1 vs 5.3
A low-cost private email service with broad protocol support and modest entry storage.
8.1/10★★★★☆Visit mailbox -
Best forPrivacy-focused users wanting encrypted email
- Better than Stack2 Email:
- Free plan
- Editor score 7.9 vs 5.3
A privacy-focused email service with encryption across mail, calendars, and contacts.
7.9/10★★★★☆Visit Tuta Mail -
Best forOrganizations wanting open-source collaboration email
- Better than Stack2 Email:
- Free plan
- Calendar included
- Editor score 7.9 vs 5.3
A broad open-source suite for organizations that need email, groupware, and deployment control.
- Calendar included
- Migration tools
- IMAP/POP support
7.9/10★★★★☆Visit Zimbra -
Best forPrivacy users wanting a free encrypted mailbox
- Better than Stack2 Email:
- Free plan
- Editor score 7.9 vs 5.3
A privacy-focused mailbox with a useful free tier and paid client access.
7.9/10★★★★☆Visit Mailfence -
Best forUsers who prioritize masked email addresses
- Better than Stack2 Email:
- Calendar included
- Editor score 7.9 vs 5.3
A privacy-focused Fastmail feature for creating and controlling masked email addresses.
- Calendar included
- Migration tools
- IMAP/POP support
7.9/10★★★★☆Visit Fastmail
Stack2 Email Alternatives: Common Questions
What is the best alternative to Stack2 Email?
Zoho Mail: #1 in our Email Hosting ranking, with an editor score of 9.4 out of 10. A flexible business email suite with a free plan, low-cost entry tier, and migration support.
Is there a free alternative to Stack2 Email?
Yes. Zoho Mail, Infomaniak Mail, Proton Mail, Tuta Mail and Zimbra Collaboration have a free plan or a free tier (6 of the 15 alternatives on this page).
What is the cheapest paid alternative to Stack2 Email?
Of the alternatives here that publish a price, Zoho Mail starts lowest, at $1/user/mo.
Why do people look for Stack2 Email alternatives?
Storage is shared across the pool rather than allocated per mailbox; No calendar functionality is included; Mobile access relies on third-party apps.
Which Stack2 Email alternative has the most storage per mailbox?
Inbox.eu Business Email, with 100 GB.
How do I switch from Stack2 Email?
Export your data from Stack2 Email (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Stack2 Email.
How to Switch from Stack2 Email
- Export your data from Stack2 Email (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Stack2 Email.
Stack2 Email vs Each Alternative
| # | Tool | Free plan | Paid from | Storage per mailbox | IMAP/POP support | Score |
|---|---|---|---|---|---|---|
| 103 | Stack2 Email | No | A$8/mo | Yes | 5.3 | |
| 1 | Zoho Mail | Yes | $1/user/mo | 5 GB | Yes | 9.4 |
| 2 | Microsoft Exchange Online | No | 50 GB | 9.2 | ||
| 3 | Google Workspace | No | $7/user/mo | 30 GB | Yes | 9.1 |
| 4 | Infomaniak Mail | Yes | 8.9 | |||
| 5 | Proton Mail | Yes | $3.99/user/mo | 15 GB | 8.8 | |
| 6 | Inbox.eu Business Email | No | €9.99/user/yr | 100 GB | Yes | 8.7 |
| 7 | Yandex 360 for Business | No | $3.99/user/mo | Yes | 8.6 | |
| 8 | Amazon WorkMail | No | $4/user/mo | 50 GB | Yes | 8.5 |
| 9 | OVHcloud Email Pro | No | £1.39/user/mo | 10 GB | Yes | 8.4 |
| 10 | OVHcloud Hosted Exchange | No | £3.59/user/mo | 50 GB | 8.3 | |
| 11 | mailbox | No | €1/user/mo | 2 GB | 8.1 | |
| 12 | Tuta Mail | Yes | €3/user/mo | 20 GB | 7.9 | |
| 13 | Zimbra Collaboration | Yes | Free | Yes | 7.9 | |
| 14 | Mailfence | Yes | €2.50/mo | 5 GB | 7.9 | |
| 15 | Fastmail Masked Email | No | $4/user/mo | 5 GB | Yes | 7.9 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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