Common Problems We Solve
Emails not sending from your server?
We review Postfix configuration, authentication, ports and firewall rules.
Mail queue backing up?
We inspect logs, DNS, relay settings and delivery errors.
Need TLS and authentication configured?
We set up SASL, certificates and secure submission ports.
Unsure which DNS records are required?
We guide SPF, DKIM and PTR record setup for your sending domain.
Moving off shared hosting email?
We configure a dedicated SMTP stack on infrastructure you control.
Need relay + self-hosted hybrid setup?
We configure Postfix to relay through a provider when appropriate.
What's Included
- Postfix installation and hardening
- SMTP authentication (SASL)
- TLS certificate configuration
- Firewall and port configuration
- SPF, DKIM and DMARC guidance
- Reverse DNS (PTR) guidance
- Test sending and log review
- Documentation of the setup
Technologies
How It Works
Review
We review sending volume, domains, compliance requirements and server access.
Install
We install and harden Postfix and supporting components.
Authenticate
We configure SPF, DKIM, DMARC and PTR guidance for your domain.
Integrate
We connect your application or mail client to the new SMTP server.
Test
We send test messages and review headers, logs and authentication results.
Document
We document credentials, ports and maintenance notes.
Why Choose VCOM Web Tech?
Experience Across Stacks
We've deployed applications across multiple frameworks and know the common configuration issues.
Server + Application Knowledge
We understand both the application and the infrastructure, which makes troubleshooting faster.
Clear Process
We explain what we're doing, why and what you need to know to maintain it.
Frequently Asked Questions
Do you guarantee inbox delivery?
No. We configure legitimate infrastructure; inbox placement depends on reputation, content and recipient policies.
Can you set up SMTP on an existing VPS?
Yes. We work on DigitalOcean, Hetzner, AWS, Linode and other providers with SSH access.
Is this suitable for bulk marketing email?
No. This service is for legitimate transactional and permission-based business email.
Ready to get started?
Use the form above or contact us to discuss your requirements.