AcelleMail vs EmailOctopus
AcelleMail vs EmailOctopus — self-hosted vs managed SES SaaS
A fit comparison, not a "cheaper EmailOctopus" pitch. EmailOctopus is a clean, low-cost managed SaaS built on Amazon SES, with one of the most generous free tiers around and an option to connect your own SES. AcelleMail is self-hosted software you buy once (80 ₫), run on your own server, and point at any of 8 sending providers — with no per-subscriber fee, in exchange for operating your own infrastructure. Here is who each is right for.
| Tổng quan | AcelleMail | EmailOctopus |
|---|---|---|
| Best for | Teams/agencies who want to OWN the software, keep cost flat as the list grows, send via any provider, or resell email — and will run their own server. | Senders who want a clean, low-cost, managed Amazon-SES-based tool with a great free tier and nothing to operate. |
| Free tier | No free tier — it is paid software (one-time licence) + your own VPS + sending. | A genuine strength. Free up to 2,500 subscribers / 10,000 emails per month, no card, no expiry — one of the most generous free tiers in the category. |
| Hosting & ownership | Self-hosted on your PHP 8.1+ / MySQL server. Full editable PHP source. You run + maintain it. | Fully-managed cloud SaaS — closed source, no self-hosting; EmailOctopus runs it on AWS for you. |
| Pricing model | One-time licence (80 ₫ / 199 ₫). No per-subscriber fee — flat as you grow. | Per-subscriber subscription — Pro from ~$9/mo (yearly) at 500 subs, ~$44.50/mo @10k (third-party, verify). Widely cited as one of the cheaper ESPs. Free tier as above. Checked Jun 2026. |
| Sending | Bring-your-own — 8 drivers (SES, SendGrid, SparkPost, Mailgun, Elastic Email, Blastengine, Gmail relay, SMTP) + plugin SDK. | EmailOctopus's own AWS/SES infrastructure, OR "Connect" your own Amazon SES (lower platform fee, AWS bills sending). SES-family only — not arbitrary SMTP. |
| Multi-tenant reselling | Extended is licensed for reselling email + ships a SaaS layer — accounts, plans, 6 gateways, dunning. | Single-tenant product (Pro allows unlimited team users in one account). No reseller/white-label layer. |
So sánh từng tính năng
Khoảng 30 thuộc tính được nhóm vào 7 hạng mục, lấy từ AcelleMail v4.2 và tài liệu tính năng công khai của Mailchimp. Mỗi ✓ có thể kiểm chứng với nguồn được trích dẫn.
Free tier, price & simplicity (EmailOctopus's strength)
| Tính năng | AcelleMail | EmailOctopus | Ghi chú |
|---|---|---|---|
| Generous permanent free tier | ✗ | ✓ | EmailOctopus is free up to 2,500 subscribers / 10,000 emails per month with no card and no expiry — genuinely best-in-class, and a clear advantage for small or starting senders. AcelleMail has no free tier (one-time licence + your own server/sending). |
| Low managed price | ◐ | ✓ | EmailOctopus is widely cited as one of the cheaper hosted ESPs (Pro from ~$9-10/mo). AcelleMail has no per-subscriber fee but you pay for a VPS + sending and operate them. |
| Zero setup / fully managed | ✗ | ✓ | EmailOctopus runs the AWS/SES infrastructure — nothing to install, no IP warmup, no DNS for sending. AcelleMail asks you to host the app + own deliverability. |
| Clean, fast editor + onboarding | ◐ | ✓ | Reviewers praise EmailOctopus for a clean editor and fast onboarding (a newsletter in ~10 minutes). AcelleMail is a fuller app you set up + run. |
Sending & deliverability
| Tính năng | AcelleMail | EmailOctopus | Ghi chú |
|---|---|---|---|
| Managed deliverability (done for you) | ✗ | ✓ | EmailOctopus manages IPs, warmup, and reputation on AWS/SES — a genuine strength. With AcelleMail, deliverability depends on the provider you choose and your setup; self-hosting shifts that work to you. |
| Bring-your-own provider breadth | ✓ | ◐ | AcelleMail supports 8 sending drivers + a plugin SDK. EmailOctopus sends on its own AWS/SES infra or, via "Connect", through your OWN Amazon SES — flexible within the SES family, but not arbitrary SMTP providers like SendGrid or Mailgun. |
| Use your own Amazon SES | ✓ | ✓ | Both can route through your own Amazon SES — AcelleMail as one of its 8 drivers; EmailOctopus via its "Connect" plan (lower platform fee, AWS bills sending separately). A close point of overlap. |
| SPF / DKIM / DMARC tooling | ✓ | ◐ | AcelleMail surfaces record generation per sending server. EmailOctopus handles authentication for you on its managed infra. |
Ownership, source & cost-at-scale (AcelleMail's wedge)
| Tính năng | AcelleMail | EmailOctopus | Ghi chú |
|---|---|---|---|
| Self-hosted on your own server | ✓ | ✗ | AcelleMail runs on infrastructure you control. EmailOctopus is cloud-only. Trade-off: with AcelleMail you handle hosting, updates, and uptime. |
| Full editable source code | ✓ | ✗ | AcelleMail ships full unencrypted PHP source. EmailOctopus is closed-source SaaS. |
| No per-subscriber fees | ✓ | ✗ | AcelleMail cost does not rise with subscriber count. EmailOctopus bills by subscribers — at large lists the economics diverge (the trade is that you run your own server + sending). |
| One-time licence | ✓ | ✗ | AcelleMail 80 ₫ once. EmailOctopus is a recurring subscription (no perpetual licence). |
Email creation & automation
| Tính năng | AcelleMail | EmailOctopus | Ghi chú |
|---|---|---|---|
| Drag-and-drop editor | ✓ | ✓ | Both ship clean editors. EmailOctopus is noted for speed/simplicity. |
| Visual automation | ✓ | ◐ | AcelleMail ships Automation2 (visual builder: trigger / wait / condition / branch / send). EmailOctopus offers automation too; reviewers in late 2025 described it as simpler/more limited (and historically without native A/B testing), though EmailOctopus has been expanding it — verify current capabilities for your needs. |
| A/B testing | ✓ | ◐ | AcelleMail supports split testing in core. EmailOctopus historically required manual list-splitting per late-2025 reviews; check the current feature set on their site. |
| Unlimited subscribers (software-side) | ✓ | ✗ | AcelleMail imposes no software-side cap (limited by your server). EmailOctopus tiers are defined by subscriber count. |
Integrations & API
| Tính năng | AcelleMail | EmailOctopus | Ghi chú |
|---|---|---|---|
| REST API | ✓ | ✓ | Both publish REST APIs. EmailOctopus's v2 API focuses on lists/contacts/reports + starting automations (it does not expose full campaign compose-and-send); AcelleMail's API covers campaigns + subscribers. |
| Integration breadth | ◐ | ✓ | EmailOctopus advertises 1,000+ integrations (Zapier, Make, WordPress, Shopify, etc.). AcelleMail is pre-listed on Zapier/Make/n8n + an official WordPress/WooCommerce plugin + REST API. |
| In-process plugin SDK / source mods | ✓ | ✗ | AcelleMail ships a four-pattern Hook SDK + editable source — see Plugin SDK. EmailOctopus extends via API/integrations. |
Multi-tenancy / reselling (AcelleMail's wedge)
| Tính năng | AcelleMail | EmailOctopus | Ghi chú |
|---|---|---|---|
| White-label client accounts | ✓ | ✗ | AcelleMail Extended provides per-customer accounts to resell email. EmailOctopus is single-tenant (team users in one account) with no reseller layer. |
| Subscription plans + payment gateways | ✓ | ✗ | AcelleMail Extended bundles plans + 6 payment gateways + dunning. EmailOctopus has no built-in client-billing layer. |
Chi phí 3 năm qua ba kịch bản thực tế
A model comparison. EmailOctopus is genuinely cheap and even free at small scale (its free tier is excellent), with managed AWS/SES deliverability. AcelleMail has no per-subscriber fee but you pay for a VPS + sending and operate them — so at small lists EmailOctopus can be cheaper (or free), while at large lists the flat one-time model pulls ahead. EmailOctopus figures checked Jun 2026 (mid-tier third-party — verify on emailoctopus.com/pricing).
Starting out — under 2,500 subscribers
$0 — genuinely free, nothing to operate
80 ₫ once + $180 VPS + SES = ~$260+
At this size EmailOctopus is cheaper — its free tier is hard to beat, and there is nothing to run. AcelleMail only makes sense here if you specifically want ownership, source control, multi-provider sending, or a reselling layer. Otherwise the free tier wins.
Growing — 10,000 subscribers
~$1,602 over 3 years — fully managed, generous free history
80 ₫ once + $360 VPS + $288 SES = ~$728
The flat model is cheaper here, but you take on hosting + deliverability and give up EmailOctopus's zero-ops simplicity. If you can run a server and want ownership + multi-provider sending, AcelleMail; if you want it managed for a low fee, EmailOctopus.
Agency reselling email
Scales with the number + size of client accounts
199 ₫ once + VPS + SES = flat regardless of client count
For reselling email, AcelleMail Extended is licensed for it + ships the billing layer; EmailOctopus is an end-user product with no reseller tenancy. The trade-off: you operate the platform + deliverability for all clients.
EmailOctopus → AcelleMail trong bảy bước
Đa số team chuyển sang xong trong một tuần. Phần technical setup mất nửa ngày; phần tốn thời gian nhất là dựng lại các automation nhiều bước và template.
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1. Decide if it is worth moving
If EmailOctopus's free or low-cost managed tier already covers you and you do not need ownership, multi-provider sending, or reselling, there may be no reason to migrate — be honest about that. Move to AcelleMail when you want source control, any-provider sending, flat cost at large scale, or to resell email — and you can run a server. -
2. Export from EmailOctopus
Export your subscribers + lists to CSV (or use the v2 REST API for lists/contacts). Note tags, custom fields, and which list each subscriber is on. -
3. Get AcelleMail + connect a sender
Buy the Regular Licence — 80 ₫, run the installer (PHP 8.1+, MySQL/MariaDB, ~512 MB RAM, cron). If you were on EmailOctopus Connect with your own Amazon SES, add that same SES account in Sending Servers → Add — credentials carry over. You can also broaden to SendGrid, Mailgun, SparkPost, and more later. You now own deliverability — publish SPF/DKIM, warm a new IP gradually. -
4. Import subscribers + fields
In Lists → Create List, recreate lists + custom fields, then Import → Upload CSV with column mapping. For large lists use the chunked import or REST API. -
5. Rebuild templates + automations
Recreate templates in the drag-and-drop builder (or paste HTML). Map EmailOctopus automations to AcelleMail workflows in Automation → New Workflow; AcelleMail's visual builder + native A/B testing may let you go further than a simple sequence. -
6. Test deliverability + cut over
Seed-test (GlockApps / Mail-Tester), aim for 9.5/10. If you kept your own SES + domain, your DKIM/reputation carries over; otherwise warm up before the cutover send. Run one cycle in parallel, then retire the EmailOctopus account.
Khi tự host không phải lựa chọn đúng
Email marketing tự host là một sự đánh đổi: chi phí thấp hơn và toàn quyền sở hữu, đổi lại bạn phải chịu trách nhiệm vận hành. Một dịch vụ SaaS managed có thể là lựa chọn tốt hơn cho bất kỳ tình huống nào dưới đây.
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You want a free or very low-cost managed tool
EmailOctopus is hard to beat on price for small senders — its free tier (2,500 subscribers / 10,000 emails per month, no card, no expiry) and low Pro pricing are genuine strengths, all managed on AWS/SES. If cost + zero ops are your priority and your list is small, EmailOctopus is likely the better choice; AcelleMail is paid software you also have to host.
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You want managed deliverability with zero setup
EmailOctopus runs the AWS/SES infrastructure — IPs, warmup, reputation — so you never touch it. Self-hosting AcelleMail makes deliverability your responsibility. If you would rather not own that, EmailOctopus's managed model wins.
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Amazon SES is all the sending flexibility you need
EmailOctopus sends on its own SES infra or your own SES via Connect. If SES covers you, that is a clean, cheap path. AcelleMail's advantage here is breadth — 8 providers + a plugin SDK — which only matters if you want to use or mix providers beyond SES.
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When AcelleMail fits better
Choose AcelleMail when you want to own the software + data, keep cost flat at large scale, send through any provider (not just SES), or resell email — and you are comfortable running your own server. That ownership + flexibility is the trade for EmailOctopus's free tier and managed simplicity.
Ba tình huống người mua
Các con số chi phí ghép giá tier khởi điểm đã kiểm chứng với khoảng tính toán từ calculator nơi áp dụng được. So sánh các con số; lựa chọn đúng phụ thuộc khả năng team bạn gánh được những đánh đổi vận hành ở trên.
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Small newsletter under the free-tier limit
Tình huống: A creator with ~2,000 subscribers sending a weekly newsletter, wants zero cost + zero ops.
Chi phí EmailOctopus: EmailOctopus Free Starter — $0, managed, more than covers it. Hard to beat.
Chi phí AcelleMail: AcelleMail would cost the licence + a VPS for no benefit at this size. Honestly, EmailOctopus's free tier is the better choice here.
-
Already on EmailOctopus Connect + own SES, growing
Tình huống: Uses Connect with their own Amazon SES, list is growing, wants to control cost + add providers.
Chi phí EmailOctopus: EmailOctopus Connect keeps the platform fee low and uses your SES — a solid setup.
Chi phí AcelleMail: 80 ₫ once + VPS — reuse the same SES, drop the platform fee entirely, and gain 8-provider flexibility + ownership. A natural step if you already run your own SES and want to own the stack.
-
Agency reselling email to clients
Tình huống: 30 clients each wanting a branded email tool + monthly invoice.
Chi phí EmailOctopus: EmailOctopus is single-tenant — no client tenancy/billing layer.
Chi phí AcelleMail: 199 ₫ Extended once + one VPS + SES. Licensed for reselling, with per-client logins, plans, 6 gateways, and dunning built in — you run the infrastructure.
Dành cho operator chạy việc chuyển đổi
Click bất kỳ heading nào dưới đây để mở deep-dive kỹ thuật. Cùng nội dung mà trang marketing phía trên đã cover — gập lại ở đây để trang scan nhanh, nhưng luôn sẵn sàng cho kỹ sư làm việc thực tế.
Toàn bộ chuyển đổi EmailOctopus → AcelleMail — mọi bước được mở rộng
Playbook 7 bước đã cover ở trên, với mọi action được mở rộng cho operator. Tổng thời gian: ~½ ngày technical setup, sau đó 1–5 ngày dựng lại template & automation tùy độ phức tạp của list.
- 1. Decide if it is worth moving. If EmailOctopus's free or low-cost managed tier already covers you and you do not need ownership, multi-provider sending, or reselling, there may be no reason to migrate — be honest about that. Move to AcelleMail when you want source control, any-provider sending, flat cost at large scale, or to resell email — and you can run a server.
- 2. Export from EmailOctopus. Export your subscribers + lists to CSV (or use the v2 REST API for lists/contacts). Note tags, custom fields, and which list each subscriber is on.
- 3. Get AcelleMail + connect a sender. Buy the Regular Licence — 80 ₫, run the installer (PHP 8.1+, MySQL/MariaDB, ~512 MB RAM, cron). If you were on EmailOctopus Connect with your own Amazon SES, add that same SES account in Sending Servers → Add — credentials carry over. You can also broaden to SendGrid, Mailgun, SparkPost, and more later. You now own deliverability — publish SPF/DKIM, warm a new IP gradually.
- 4. Import subscribers + fields. In Lists → Create List, recreate lists + custom fields, then Import → Upload CSV with column mapping. For large lists use the chunked import or REST API.
- 5. Rebuild templates + automations. Recreate templates in the drag-and-drop builder (or paste HTML). Map EmailOctopus automations to AcelleMail workflows in Automation → New Workflow; AcelleMail's visual builder + native A/B testing may let you go further than a simple sequence.
- 6. Test deliverability + cut over. Seed-test (GlockApps / Mail-Tester), aim for 9.5/10. If you kept your own SES + domain, your DKIM/reputation carries over; otherwise warm up before the cutover send. Run one cycle in parallel, then retire the EmailOctopus account.
Deep-dive từng tính năng — nơi hai sản phẩm khác nhau + cách workaround
Bảng so sánh ở trên cho thấy mức tương đương tính năng; đây là context bổ sung cho từng hàng có ghi chú đáng kể — hữu ích khi một bên là "partial" và bạn cần biết workaround.
Free tier, price & simplicity (EmailOctopus's strength)
- Generous permanent free tier: EmailOctopus is free up to 2,500 subscribers / 10,000 emails per month with no card and no expiry — genuinely best-in-class, and a clear advantage for small or starting senders. AcelleMail has no free tier (one-time licence + your own server/sending).
- Low managed price: EmailOctopus is widely cited as one of the cheaper hosted ESPs (Pro from ~$9-10/mo). AcelleMail has no per-subscriber fee but you pay for a VPS + sending and operate them.
- Zero setup / fully managed: EmailOctopus runs the AWS/SES infrastructure — nothing to install, no IP warmup, no DNS for sending. AcelleMail asks you to host the app + own deliverability.
- Clean, fast editor + onboarding: Reviewers praise EmailOctopus for a clean editor and fast onboarding (a newsletter in ~10 minutes). AcelleMail is a fuller app you set up + run.
Sending & deliverability
- Managed deliverability (done for you): EmailOctopus manages IPs, warmup, and reputation on AWS/SES — a genuine strength. With AcelleMail, deliverability depends on the provider you choose and your setup; self-hosting shifts that work to you.
- Bring-your-own provider breadth: AcelleMail supports 8 sending drivers + a plugin SDK. EmailOctopus sends on its own AWS/SES infra or, via "Connect", through your OWN Amazon SES — flexible within the SES family, but not arbitrary SMTP providers like SendGrid or Mailgun.
- SPF / DKIM / DMARC tooling: AcelleMail surfaces record generation per sending server. EmailOctopus handles authentication for you on its managed infra.
Ownership, source & cost-at-scale (AcelleMail's wedge)
- Self-hosted on your own server: AcelleMail runs on infrastructure you control. EmailOctopus is cloud-only. Trade-off: with AcelleMail you handle hosting, updates, and uptime.
- Full editable source code: AcelleMail ships full unencrypted PHP source. EmailOctopus is closed-source SaaS.
- No per-subscriber fees: AcelleMail cost does not rise with subscriber count. EmailOctopus bills by subscribers — at large lists the economics diverge (the trade is that you run your own server + sending).
- One-time licence: AcelleMail 80 ₫ once. EmailOctopus is a recurring subscription (no perpetual licence).
Email creation & automation
- Visual automation: AcelleMail ships Automation2 (visual builder: trigger / wait / condition / branch / send). EmailOctopus offers automation too; reviewers in late 2025 described it as simpler/more limited (and historically without native A/B testing), though EmailOctopus has been expanding it — verify current capabilities for your needs.
- A/B testing: AcelleMail supports split testing in core. EmailOctopus historically required manual list-splitting per late-2025 reviews; check the current feature set on their site.
- Unlimited subscribers (software-side): AcelleMail imposes no software-side cap (limited by your server). EmailOctopus tiers are defined by subscriber count.
Integrations & API
- Integration breadth: EmailOctopus advertises 1,000+ integrations (Zapier, Make, WordPress, Shopify, etc.). AcelleMail is pre-listed on Zapier/Make/n8n + an official WordPress/WooCommerce plugin + REST API.
- In-process plugin SDK / source mods: AcelleMail ships a four-pattern Hook SDK + editable source — see <a href="https://acellesend.com/for/developers">Plugin SDK</a>. EmailOctopus extends via API/integrations.
Multi-tenancy / reselling (AcelleMail's wedge)
- White-label client accounts: AcelleMail Extended provides per-customer accounts to resell email. EmailOctopus is single-tenant (team users in one account) with no reseller layer.
- Subscription plans + payment gateways: AcelleMail Extended bundles plans + 6 payment gateways + dunning. EmailOctopus has no built-in client-billing layer.
So sánh chi phí khi scale — ba tình huống người mua song song
Thẻ TCO ở trên show con số tier khởi điểm; view này xếp cả ba tình huống người mua để bạn chọn cái khớp nhất với volume contact và tần suất gửi của mình.
Small newsletter under the free-tier limit
- Tình huống: A creator with ~2,000 subscribers sending a weekly newsletter, wants zero cost + zero ops.
- Chi phí EmailOctopus: EmailOctopus Free Starter — $0, managed, more than covers it. Hard to beat.
- Chi phí AcelleMail: AcelleMail would cost the licence + a VPS for no benefit at this size. Honestly, EmailOctopus's free tier is the better choice here.
Already on EmailOctopus Connect + own SES, growing
- Tình huống: Uses Connect with their own Amazon SES, list is growing, wants to control cost + add providers.
- Chi phí EmailOctopus: EmailOctopus Connect keeps the platform fee low and uses your SES — a solid setup.
- Chi phí AcelleMail: 80 ₫ once + VPS — reuse the same SES, drop the platform fee entirely, and gain 8-provider flexibility + ownership. A natural step if you already run your own SES and want to own the stack.
Agency reselling email to clients
- Tình huống: 30 clients each wanting a branded email tool + monthly invoice.
- Chi phí EmailOctopus: EmailOctopus is single-tenant — no client tenancy/billing layer.
- Chi phí AcelleMail: 199 ₫ Extended once + one VPS + SES. Licensed for reselling, with per-client logins, plans, 6 gateways, and dunning built in — you run the infrastructure.
Dùng calculator tiết kiệm chi phí để có con số tùy chỉnh theo đúng số subscriber và tần suất gửi của bạn.
Counter-positioning thành thật — những phản biện thường gặp khi chuyển đổi
Bốn phản biện mà mọi operator cân nhắc trước khi migrate khỏi EmailOctopus hay bất kỳ SaaS nào. Trả lời không vòng vo — đây là những đánh đổi thật, và lựa chọn đúng phụ thuộc team của bạn.
1. "Chuyển đổi tốn hơn cả tiết kiệm."
Đánh giá thành thật: với list dưới ~500 contact, tier free hay khởi điểm của EmailOctopus có thể rẻ hơn so với chạy một VPS $5–10/tháng cộng license AcelleMail — kể cả khi chưa tính thời gian operator. Điểm hòa vốn thường rơi vào khoảng 1.000 đến 5.000 contact. Hãy tự chạy số trên calculator chi phí trước khi quyết định.
2. "Tự host thì deliverability sẽ tụt."
Đúng nếu bạn chạy một MTA tự quản không warmup. KHÔNG đúng khi AcelleMail forward qua một dịch vụ gửi managed (Amazon SES, SendGrid, Mailgun, Postmark) — các vendor đó duy trì reputation IP; AcelleMail chỉ điều phối campaign và tracking. Đạt mức inbox-placement ngang EmailOctopus là chuẩn mực, không phải ngoại lệ, với setup này.
3. "Team tôi không có thời gian học thêm công cụ khác."
Lo ngại có lý. UI của AcelleMail mirror các pattern phổ biến (campaign builder, audience list, automation flow) nên đa số người dùng EmailOctopus làm việc được ngay ngày đầu. Khoản tốn thời gian thực sự là dựng lại automation nhiều bước và thư viện template — lên kế hoạch 1–5 ngày tùy độ phức tạp, không phải hàng tuần.
4. "Nếu AcelleMail ngừng được bảo trì thì sao?"
Tự host lật ngược rủi ro: bạn sở hữu một bản source code vĩnh viễn. Không có thay đổi giá vendor, deprecation, hay acquisition nào có thể lấy nền tảng đi. Nếu update dừng, bản cài đặt hiện tại của bạn vẫn chạy. So với SaaS nơi mọi quyết định của vendor về giá, tính năng, hay shutdown đều đơn phương.
Câu hỏi phổ biến
Can AcelleMail replace EmailOctopus?
Can I self-host EmailOctopus, or is it open source?
How does pricing and the free tier compare?
Does AcelleMail support more sending options than EmailOctopus?
How do automation and A/B testing compare?
If I self-host with AcelleMail, what about deliverability?
I use EmailOctopus Connect with my own Amazon SES — is migration easy?
Can I resell email to my own clients?
Which should I choose?
So sánh với các nền tảng khác
Outgrowing a hosted SES tool, or want to own the stack?
If you already run your own Amazon SES, want any-provider sending, flat cost at scale, or to resell email, AcelleMail Regular is 80 ₫ one-time — full PHP source, unlimited subscribers, lifetime updates. Try the demo first. If your list is small and you want a free or low-cost managed tool with zero ops, EmailOctopus's free tier may be the better answer — and that's honest.
EmailOctopus là nhãn hiệu của chủ sở hữu tương ứng. Trang này là so sánh sản phẩm khách quan được biên soạn bởi AcelleMail; chúng tôi không có liên kết, không được tài trợ, và không được EmailOctopus bảo trợ. Mọi thông tin trích dẫn lấy từ tài liệu công khai được liên kết ở trên; nếu phát hiện sai sót, vui lòng báo về [email protected] và chúng tôi sẽ chỉnh sửa.