B2B Cold Email That Works Without Vendor Lock-In
Most SaaS email platforms charge per contact and hold your data hostage. Opsily hosts your own email tool—unlimited contacts, flat pricing, zero lock-in. Deploy in 3 minutes and own your entire setup.
Why Opsily for B2B Cold Email
Self-hosted email infrastructure built for sales teams who are tired of SaaS overhead.
Own Your Data
Your email list, templates, and campaign history stay yours. No vendor lock-in. Export anytime to a CSV or migrate to another host. You could even run the software on your own servers. Control means independence.
Save $600-2,400 Per Year
SaaS tools charge $99-$299/month plus $0.50-$2 per contact. That's $1,200+/year for 10K emails. Opsily's hosting is $20-$100/month flat, with unlimited email sends. One fixed bill. No surprise overage charges.
Infrastructure That Works
99.9% uptime SLA backed by German data centers. Daily encrypted backups. DKIM and SPF pre-configured. Professional mail relays keep your sender reputation strong. Your emails land in inboxes, not spam folders.
Built for teams who need reliability
B2B Cold Email Setup in 4 Steps
Get your email campaigns live faster than any SaaS tool.
Choose Your App
Select an app to get started.
Pick Your Email Tool
Browse our catalog of self-hosted email platforms like Listmonk or Mautic. Each comes pre-configured and ready to deploy.
Click Deploy
One click. Your instance is live in 3 minutes on our German servers with automatic SSL certificates and daily backups.
Configure Your Domain
Add your sender domain, set up DKIM and SPF authentication. Our team can help if you need it. Chat support is included on Medium and up.
Import & Start Selling
Upload your prospect CSV. Build your email sequences. Start sending campaigns with no contact limits, no per-email fees. Run as many campaigns as you want.
B2B Cold Email: The Fundamentals
Cold email works. The mistake most teams make is using the wrong tool.
You don't need automation that tries to game spam filters. You don't need AI that dilutes your voice. You need a clean list, honest messaging, and consistent follow-up.
The best cold email campaigns follow three rules:
First: Own your sender reputation. Every email you send affects your domain's credibility. SaaS tools spread that reputation across thousands of customers, which means you inherit their spam problems. Self-hosted email means your reputation is yours alone. You can warm up your sender domain properly, follow CAN-SPAM laws exactly, and land in inboxes because your history is clean.
Second: Respect the list. Cold email only works if you segment properly and honor unsubscribe requests. The best-performing campaigns have unsubscribe rates because they're reaching the right people. Opsily's tools give you full control over list management, consent tracking, and compliance.
Third: Iterate fast. Most SaaS tools charge by the contact. That makes testing expensive. With Opsily, send as many test campaigns as you want for one flat fee. Test subject lines, sequences, offer timing. The winners pay for themselves.
Self-hosted email is not about complexity. It's about freedom. Freedom to scale without new vendor bills. Freedom to own your data. Freedom to send honest emails that actually convert.
Everything. No Tiers.
We don't gatekeep features by plan. Every server gets the full email marketing platform, unlimited email sends, and daily backups.
Enterprise Trust & Compliance
Your cold email campaigns need to comply with CAN-SPAM, GDPR, and local email laws. Self-hosted infrastructure makes this straightforward.
GDPR Compliant
All servers in Germany. Your data never leaves the EU. Full consent and audit trail management for every contact.
Data Encrypted
AES-256 encryption at rest. TLS for data in transit. Your email list and campaign data are locked to you alone.
CAN-SPAM Ready
Built-in compliance checks. Easy unsubscribe links. List hygiene tools to keep you on the right side of federal law.
Daily Backups
Automatic encrypted backups every 24 hours. Recovery guaranteed. Your data is protected from hardware failure.
99.9% Uptime SLA
Redundant infrastructure in German data centers. Monitoring 24/7. If something breaks, we fix it before you notice.
Saved Per Year Per Team of 10
Compared to typical SaaS cold email tools charging $150/person/year. One Opsily plan, unlimited users. Do the math.
B2B Cold Email Pricing
Transparent, no surprises. All plans include unlimited email sends, daily backups, and German hosting with GDPR compliance.
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B2B Cold Email Questions
Common questions about setting up and running cold email campaigns on Opsily.
Start by choosing an email tool from our catalog like Listmonk or Mautic. Click deploy, and your instance is live in 3 minutes. Add your sender domain, configure your SMTP settings, and upload your prospect list. Unlike SaaS tools, you own the entire setup. No API limits. No sudden feature restrictions.
Start Your B2B Cold Email Campaign Today
Deploy a self-hosted email platform in 3 minutes. No credit card. No vendor lock-in.