Dashboard
What is SMTP Server?
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Sending emails doesn’t have to be expensive or complex when using a cloud-based SMTP service. SMTPServer handles the technical aspects of email delivery such as infrastructure scaling, ISP outreach, IP reputation monitoring, and real-time analytics, allowing businesses and developers to focus on their applications.
Dashboard
How does SMTPServer work?
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After purchasing a plan, you will be redirected to the dashboard where you can add your domain and configure IPs. SMTPServer will provide the DNS records required for authentication. Once DNS records are verified, your SMTP server credentials will be available in the dashboard for sending emails.
Dashboard
How many emails can I send per month?
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With one dedicated IP, you can send up to 100,000 emails per month. If you need higher volumes, you can add additional dedicated IPs and scale your sending capacity accordingly. Always follow the recommended IP warm-up process for best deliverability.
API
How do I find my SMTP credentials?
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Go to your dashboard → SMTP settings to find credentials.
API
How do I connect the API to my application?
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SMTPServer provides a RESTful API with endpoints for sending emails, managing recipients, and retrieving logs. This guide walks through authentication, request formats, code examples in Python, Node.js, PHP, and common integration patterns.
API
Do I need to purchase the Email API separately?
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Free plans allow 100 requests/minute. Pro plans support up to 1,000 requests/minute. Enterprise plans have custom limits. Rate limit headers are included in every response.
API
Can I integrate SMTPServer with my application?
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Yes. SMTPServer can be integrated with any application that supports SMTP protocols. Developers can configure the SMTP credentials in their applications or email libraries to start sending transactional emails.
API
Does SMTPServer support REST API integrations?
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Yes. SMTPServer supports API integration for sending emails programmatically.
Webhook
What are SMTPServer Webhooks?
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Webhooks allow your application to receive real-time notifications when email events occur, such as delivery, opens, bounces, or spam complaints.
Webhook
How do I configure webhooks?
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You can configure webhook endpoints in the dashboard by adding a secure URL where SMTPServer will send event notifications.
Mail Tester
How can I improve email deliverability?
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To improve deliverability you should:
- Add List-Unsubscribe (one-click)
- Clean tracking links and redirects
- Rewrite subject and introduction
- Enforce DMARC protection
Mail Tester
What is IP warm-up and why is it important?
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IP warm-up is the process of gradually increasing email volume from a new IP address to build a positive sender reputation with mailbox providers.
Support
What programs or email marketing platforms do you recommend?
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Many customers use email marketing platforms like Interspire, MailWizz, and Mautic, but SMTPServer works with any platform that supports SMTP integration.
Support
I made a purchase. What should I do next?
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After purchasing a plan, add your domain and configure DNS records provided in the dashboard. Once DNS verification is complete, your SMTP server configuration will be activated.
Integrations
Can I use SMTPServer with marketing software?
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Yes. SMTPServer integrates with most email marketing platforms, CRM systems, and custom applications that support SMTP sending.
Integrations
Which platforms work with SMTPServer?
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- Interspire
- MailWizz
- Mautic
- Custom applications
- CRM systems
- SaaS platforms (Need Details Page for maximum softwares)
Billing & Plans
What are the pricing plans?
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SMTPServer plans start at €39 per month, which includes 100,000 monthly emails and a dedicated IP address.
Billing & Plans
Do you offer a free plan?
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Yes. When you create an account, you automatically receive a free plan allowing you to send up to 100 emails per day from a shared IP after domain verification
Billing & Plans
What payment methods do you accept?
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Currently accepted payment methods include:
- Credit Cards
- Cryptocurrency
Billing & Plans
Do I need to sign a contract?
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No long-term contracts are required. Plans are billed monthly on a 30-day billing cycle.
Errors & Troubleshooting
Why are my emails going to spam?
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Common reasons include:
- Missing SPF / DKIM / DMARC
- Poor IP reputation
- Spam-triggering content
- High bounce rate
Errors & Troubleshooting
Why is my domain verification failing?
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Possible causes:
- Incorrect DNS records
- DNS propagation delay
- SPF or DKIM syntax errors
Errors & Troubleshooting
Why am I getting SMTP authentication errors?
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Check:
- SMTP hostname
- Port (587 / 465
- Username and password
- SSL/TLS configuration