Port 25 VPS Hosting
Run legitimate outbound mail infrastructure with Port 25 open and all ports open by default for SMTP VPS and mail server VPS workloads for flexible SMTP server, relay, and application configuration.
All Ports Open
Port 25 Open
PTR / rDNS
Server identity
SPF / DKIM
DMARC ready
Choose the Best SMTP VPS Hosting Plan
Mail VPS plans with Port 25 open and all ports open by default for legitimate SMTP VPS and mail server VPS workloads, PTR/rDNS support, scalable SSD/NVMe resources, and additional IPs available by plan.
Today’s Deal
50% OFF
Mail VPS Starter
Regular $29.80
$14.90
/mo
- 2 vCPU Cores (Dual Xeon E5)
- 512 MB RAM
- 20 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
BEST VALUE
Today’s Deal
45% OFF
Mail VPS Basic
Regular $44.16
$24.29
/mo
- 2 vCPU Cores (Dual Xeon E5)
- 1 GB RAM
- 25 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
MOST POPULAR
Today’s Deal
40% OFF
Mail VPS Standard
Regular $65.75
$39.45
/mo
- 2 vCPU Cores (Dual Xeon E5)
- 2 GB RAM
- 30 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
SMART UPGRADE
Today’s Deal
35% OFF
Mail VPS Plus
Regular $89.45
$58.14
/mo
- 3 vCPU Cores (Dual Xeon E5)
- 3 GB RAM
- 50 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
Today’s Deal
30% OFF
Mail VPS Advanced
Regular $122.80
$85.96
/mo
- 4 vCPU Cores (Dual Xeon E5)
- 4 GB RAM
- 60 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
Today’s Deal
25% OFF
Mail VPS Professional
Regular $172.75
$129.56
/mo
- 6 vCPU Cores (Dual Xeon E5)
- 6 GB RAM
- 80 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
PREMIUM PICK
Today’s Deal
20% OFF
Mail VPS Premium
Regular $196.68
$157.34
/mo
- 8 vCPU Cores (Dual Xeon E5)
- 8 GB RAM
- 120 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
Today’s Deal
18% OFF
Mail VPS Enterprise
Regular $228.73
$187.56
/mo
- 8 AMD EPYC vCPUs
- 24 GB RAM
- 200 GB NVMe RAID 10 Storage
- Unlimited Monthly Traffic
- 300 Mbps Port Speed
- Anti-DDoS (3 Gbps)
- 1 Dedicated IPv4 + IPv6 Included
- Port 25 Open
- PTR/rDNS Record Support
- Additional IPs Available up to 1
- Anti-Spam Policy Applies
ELITE CHOICE
Today’s Deal
15% OFF
Mail VPS Elite
Regular $258.31
$219.56
/mo
- 10 AMD EPYC vCPUs
- 32 GB RAM
- 250 GB NVMe RAID 10 Storage
- Unlimited Monthly Traffic
- 400 Mbps Port Speed
- Anti-DDoS (4 Gbps)
- 1 Dedicated IPv4 + IPv6 Included
- Port 25 Open
- PTR/rDNS Record Support
- Additional IPs Available up to 1
- Anti-Spam Policy Applies
Today’s Deal
12% OFF
Mail VPS Ultra
Regular $283.64
$249.60
/mo
- 12 vCPU Cores (Dual Xeon E5)
- 16 GB RAM
- 160 GB SSD Storage
- Unmetered Monthly Traffic
- 1 Gbps Port Speed
- 1 Dedicated IPv4
- Port 25 Open
- All Ports Open by Default
- PTR/rDNS Record Support
- Additional IPs Available up to 5
- Anti-Spam Policy Applies
HIGHEST RESOURCES
Today’s Deal
10% OFF
Mail VPS Ultimate
Regular $327.66
$294.89
/mo
- 16 AMD EPYC vCPUs
- 64 GB RAM
- 300 GB NVMe RAID 10 Storage
- Unlimited Monthly Traffic
- 500 Mbps Port Speed
- Anti-DDoS (5 Gbps)
- 1 Dedicated IPv4 + IPv6 Included
- Port 25 Open
- PTR/rDNS Record Support
- Additional IPs Available up to 1
- Anti-Spam Policy Applies
Responsible SMTP VPS Use: Port 25 access and all-ports-open availability are provided for legitimate SMTP VPS and mail server VPS workloads only. Use is limited to permission-based email, transactional email, business notifications, and compliant mail infrastructure. Spam, phishing, purchased lists, deceptive sending, malware, and abuse are strictly prohibited and may result in immediate suspension or termination without refund.
Port 25 VPS Hosting
VPS with Port 25 Open for SMTP Email Sending
CybroHost SMTP VPS hosting is built for users who need Port 25 open and all ports open by default for SMTP VPS and mail server VPS workloads, PTR/rDNS configuration, additional IPs available by plan, and full root access for legitimate mail server deployment. It is suitable for SMTP server VPS setups, transactional email systems, SMTP relay applications, and business email infrastructure.
Each SMTP VPS gives you control over your server environment so you can configure hostname records, mail transfer agents, DNS authentication, reverse DNS requests, IP allocation, and outbound email routing according to your own technical requirements and acceptable-use obligations.
This SMTP VPS service is suitable for mail server hosting, SMTP relay, transactional email, and self-managed email infrastructure that requires Port 25 open, all ports open by default for SMTP VPS and mail server VPS workloads, PTR/rDNS, expandable IPv4 options, SSD/NVMe storage, and root access.
PTR/rDNS Update Support
Request PTR and reverse DNS updates by opening a support ticket or contacting live chat so your VPS IP can align with a professional mail server hostname.
All Ports Open by Default
Deploy SMTP relay tools, application mail, internal alerts, order emails, and system notifications with unrestricted port flexibility for your server stack.
Additional IPs Available
Scale mail infrastructure with additional IPv4 addresses available by plan, subject to approval and availability.
Mail Server Software
SMTP VPS for Postfix, Exim, Mailcow & Custom Mail Servers
Configure your SMTP VPS for popular mail server software, email authentication records, and controlled outbound email workflows.
Self-Hosted SMTP Server Control
With root access and dedicated VPS resources, you can deploy mail server software such as Postfix, Exim, Sendmail, Mailcow, Postal, or other SMTP-compatible applications. You remain in control of hostname setup, DNS records, authentication, security rules, queue handling, and mail routing.
- Postfix VPS hosting for custom Linux mail server deployments
- Exim mail server VPS for users who prefer Exim-based routing
- Mailcow or Postal VPS for self-hosted email platforms
- SMTP relay VPS for application and transactional email workflows
Deliverability Setup Checklist
PTR/rDNS hostname alignment
SPF record configuration
DKIM signing setup
DMARC policy setup
Secure SMTP authentication
Bounce and abuse handling
PTR updates via ticket or live chatPort 25 openAdditional IPs available by plan
Comparison
SMTP VPS vs Regular VPS Hosting
SMTP VPS is designed for users who specifically need mail-server-ready features such as open SMTP ports, PTR/rDNS support, and email infrastructure control.
| Feature | SMTP VPS Hosting | Regular VPS Hosting |
|---|---|---|
| SMTP port availability | Port 25 open, with all ports open by default for SMTP VPS and mail server VPS workloads | Often restricted or blocked |
| PTR/rDNS support | Supported; request updates via ticket or live chat | May not be included |
| Best use case | SMTP relay, transactional email, mail server hosting | Websites, apps, databases, general workloads |
| Email authentication | Ready for SPF, DKIM, and DMARC configuration | Depends on provider and setup |
| Additional IP addresses | Available by plan | Depends on provider and plan |
Why Choose Our SMTP VPS Hosting
Optimized for email sending, SMTP relay setup, and mail server hosting with reliable performance, full control, and PTR support.
SMTP Root Access
Get full root access to configure your SMTP server, mail transfer agent, DNS records, hostname, and authentication exactly the way your email workload requires.
All Email Ports Open
Run your mail server with Port 25 open and all ports open by default for SMTP VPS and mail server VPS workloads for flexible outbound email delivery, SMTP relay, transactional messaging, and custom services.
SSD/NVMe Storage
Fast SSD/NVMe storage improves server responsiveness, log handling, queue processing, and overall performance for mail server workloads.
Managed Support Guidance
Get assistance through ticket or live chat for PTR/rDNS updates, IP-related questions, hostname guidance, and general SMTP VPS support.
PTR/rDNS Update Support
PTR and rDNS record updates are supported. Open a ticket or contact live chat to request hostname alignment for your mail server IP address.
Network Stability & Support
Use SMTP VPS infrastructure with DDoS-protected resources on supported plans, PTR/rDNS assistance, IP-related guidance, and 24/7 support when you need help.
SMTP VPS USE CASES
Built for Reliable Email Infrastructure
Our SMTP VPS hosting is suitable for businesses, developers, agencies, and advanced users who need reliable email sending infrastructure with open SMTP ports and PTR record support.
Port 25 Open
All Ports Open by Default
PTR/rDNS Record Support
Additional IPs by plan
Full Root Access
Transactional Email Sending
Use your SMTP VPS for application emails such as OTPs, password resets, order confirmations, account alerts, and system notifications.
Self-Managed Mail Server
Deploy and configure your own mail server with full root access, custom hostname settings, reverse DNS support, and complete control over your environment.
SMTP Relay Applications
Suitable for SMTP relay tools, custom mail routing, internal business messaging systems, and server-based outbound email workflows.
Email Infrastructure for Businesses
Businesses that require dedicated resources, open Port 25, and PTR record support can use this VPS for controlled email infrastructure deployment.
SMTP VPS Setup
How to Start With SMTP VPS Hosting
Follow a clear setup path for your mail server VPS, from ordering the server to configuring DNS authentication and PTR/rDNS.
Choose Your SMTP VPS Plan
Select a plan based on CPU, RAM, storage, bandwidth, and expected email workload.
Configure Hostname and PTR/rDNS
Set a professional hostname, then request PTR/rDNS alignment by opening a support ticket or contacting live chat.
Install Mail Server Software
Deploy Postfix, Exim, Mailcow, Postal, Sendmail, or another SMTP-compatible platform.
Set SPF, DKIM and DMARC
Configure email authentication records to improve trust, reduce spoofing, and support deliverability.
Mail server VPS guide
Mail Server VPS Hosting with Port 25 Open
CybroHost SMTP VPS Hosting is designed for users who need a mail server VPS with Port 25 open, all ports open by default for SMTP VPS and mail server VPS workloads, PTR/rDNS configuration, root access, DNS control, and additional IPs available by plan for legitimate SMTP infrastructure.
Good email delivery depends on responsible configuration and sender behavior. For best results, configure PTR/rDNS, SPF, DKIM, DMARC, secure authentication, clean recipient lists, bounce handling, complaint handling, and compliant sending practices. PTR/rDNS updates can be requested through support ticket or live chat.
SMTP VPS billing notice: SMTP VPS plans are non-refundable after payment and activation, except where a refund is required by applicable law, payment-network rules, or the applicable payment processor or merchant of record.
Deliverability checklist
- PTR/rDNS hostname alignment
- PTR updates via ticket or live chat
- SPF, DKIM, and DMARC records
- Port 25 open
- All ports open by default for SMTP VPS and mail server VPS workloads
- Additional IPs available by plan
- secure SMTP authentication
- responsible and compliant sending
Frequently Asked Questions
Answers to common questions about SMTP VPS hosting, Port 25 access, all ports open by default for SMTP VPS and mail server VPS workloads, PTR/rDNS support, additional IPs, mail server software, transactional email, and deliverability setup.
Do you offer VPS with Port 25 open?
Yes. CybroHost SMTP VPS Hosting is designed for legitimate mail server users who need a VPS with Port 25 open, PTR/rDNS support, root access, and responsible SMTP configuration options.
Can I use this VPS as an SMTP server?
Yes. You can use the VPS as a self-managed SMTP server or SMTP relay environment when it is configured responsibly and used according to CybroHost policies and anti-abuse rules.
Do you provide PTR/rDNS support for mail server VPS?
Yes. PTR and reverse DNS support is available. To request a PTR/rDNS update, open a support ticket or contact live chat with the required hostname for your VPS IP address.
Can I install Postfix, Exim, Mailcow or Postal?
Yes. With root access, you can install SMTP-compatible mail server software such as Postfix, Exim, Sendmail, Mailcow, Postal, or other tools that fit your self-managed email infrastructure requirements.
Is this SMTP VPS suitable for transactional emails?
Yes. SMTP VPS can be used for transactional email such as OTPs, password resets, order confirmations, application alerts, business notifications, and server-generated messages when configured responsibly.
How do I improve deliverability on an SMTP VPS?
Configure PTR/rDNS, SPF, DKIM, DMARC, secure SMTP authentication, proper hostname alignment, clean recipient lists, bounce handling, complaint handling, and compliant sending limits.
Are all ports open by default on SMTP VPS?
Eligible SMTP VPS plans include all ports open by default with Port 25 available for mail server and email sending workloads. IPv6-included high-resource plans include Port 25 open only. Check each plan card for exact port availability.
Can I order additional IP addresses?
Yes. Additional IPv4 addresses are available by plan: up to 5 on eligible SMTP VPS plans and up to 2 on IPv6-included high-resource plans, subject to approval, availability, and responsible-use requirements.
How do I update PTR/rDNS records?
Open a support ticket or contact live chat and provide the VPS IP address plus the hostname you want assigned as the PTR/rDNS record.