Common Hosting Problem

Shared IP Email Blacklist Problems

Sharing an IP with spammers is a hidden cost of cheap hosting. When your IP is blacklisted, every email you send is suspect. Glitch Servers uses clean, actively monitored UK IP ranges.

MXToolbox showing IP blacklist warnings for shared hosting email server

You're Not Alone

Shared IP Email Blacklist Problems

When you send business email from a shared hosting server, you share the outgoing mail server's IP address with every other account on that server. If any of those accounts - or any previous occupant of that IP - has been used for spam, the IP may appear on email blacklists like Spamhaus, SORBS, or Barracuda. Once your sending IP is blacklisted, emails you send are silently rejected or quarantined by recipient servers. You'll pass every spam filter test on your own end and still have abysmal deliverability - because the problem isn't your content, it's your IP's reputation.

External resources: NCSC (National Cyber Security Centre) and ICO (UK data protection authority).

Why This Happens

The Root Cause

What's really going on

Shared hosting providers pack thousands of accounts onto servers. Spam accounts, hacked WordPress sites, and malicious scripts are inevitable on large shared platforms. When these accounts send spam via the shared mail server, the IP gets blacklisted. Responsible providers delist quickly, but the cycle repeats. Some budget hosts don't monitor their IP reputation at all. Your legitimate business emails suffer the consequences of your neighbours' behaviour - a problem inherent to shared IP email infrastructure.

The Real Cost

What This Problem Is Costing You

This isn't just a technical inconvenience - it has measurable effects on your business.

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Lost Revenue

Legitimate emails silently rejected by Gmail and Outlook

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Wasted Time

Domain reputation damaged by shared IP spam activity

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Damaged Reputation

Delayed delisting even after the spam source is removed

Email blacklisting affects your entire domain's deliverability, not just individual emails. Major providers like Gmail and Outlook maintain rolling reputation scores. Even if your IP is eventually delisted, the reputation damage can persist for weeks. During that time, client proposals, invoices, support replies, and form notifications may all silently disappear into recipients' spam folders or be rejected outright.

The Solution

How Glitch Servers Fixes This

Glitch Servers UK hosting maintains its own IP ranges through AS212868 and actively monitors all outgoing mail server IPs against major blacklists. We rate-limit and quarantine accounts showing spam characteristics before they damage shared IP reputation. DKIM signing is enabled by default for all accounts. Our Medway datacentre's IP ranges have been maintained with clean reputation since launch. When you send business email through Glitch Servers, your IP's reputation works for you, not against you.

What You Get

Why Glitch Servers Is Different

Infrastructure built to prevent these problems - not patch them after the fact.

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Clean UK IP Ranges

We maintain our own IP ranges via AS212868. Our outgoing mail server IPs are actively monitored against Spamhaus, SORBS, Barracuda, and 30+ other blacklists. Any flagged IP is removed from rotation immediately.

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Proactive Spam Quarantine

Outgoing mail rate limiting and pattern detection quarantines suspicious accounts before they can send bulk spam. Legitimate accounts aren't penalised by the actions of compromised accounts.

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DKIM and SPF by Default

Every domain gets DKIM signing automatically configured. SPF records are generated for your domain. Both are fundamental to modern email authentication and protect your domain reputation independently of IP reputation.

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UK Deliverability Focus

Optimised for UK ISPs and enterprise email providers. Direct peering through LINX means low-latency delivery paths to UK recipients at BT, Sky, Virgin, and major UK corporate mail servers.

Free Migration - We'll Move Everything for You

Switching hosts feels daunting, but we make it painless. Our team handles the full migration at no charge - your site, emails, databases, and DNS, with zero downtime during the switch.

  • Full website and file transfer handled by our team
  • All databases, emails, and DNS migrated correctly
  • Zero-downtime cutover - your visitors won't notice
  • Free for all new Glitch Servers customers
Switch Today →

Migration included free

One-Click Installs

Install Roundcube in Under 2 Minutes - No Developer Needed

Email management via Roundcube webmail and Enhance Panel - configure SPF, DKIM, and DMARC from within Enhance Panel's Email Deliverability section. Check your outgoing IP reputation against major blacklists before migrating to confirm our clean sending infrastructure.

All Glitch Servers Enhance Panel plans include one-click installation for WordPress, WooCommerce, and Joomla - free with every hosting plan.

🌐WordPress
🛒WooCommerce
💬Joomla

Pricing

Web Hosting Plans - Simple, Transparent Pricing

Two straightforward plans - no hidden fees, no renewal price hikes. Cancel anytime.

Web 1
£2.99/mo

For sole traders and individuals

  • 1 Website
  • 10GB SSD Storage
  • 1 MySQL Database
  • 5 Mailboxes
  • Unlimited Bandwidth
  • Free SSL Certificates
  • DDoS Protection by Corero
  • One-Click WordPress Install

1 CPU core · 1GB RAM · 25 Entry Processes

Small businesses that have noticed email deliverability problems or had emails marked as spam.

Switch Today →

All plans include Enhance Panel, one-click WordPress/WooCommerce install, free SSL, and UK-based support. Free migration included for all new customers. Prices exclude VAT.

FAQ

Frequently Asked Questions

Run your current outgoing mail server IP through MXToolbox Blacklist Check (mxtoolbox.com/blacklists.aspx) or Spamhaus Lookup. You can find your mail server IP in your current Enhance Panel's Email Accounts section.
Yes - once you're sending from a clean IP with DKIM signing, deliverability improves immediately. Your domain's own reputation rebuilds over 2–4 weeks of good sending behaviour.
Dedicated IPs are available as an add-on. However, on new dedicated IPs you need to build reputation from scratch - which can temporarily cause deliverability issues. Our clean shared IPs with active monitoring are often preferable for small to medium sending volumes.
Yes - automated blacklist monitoring checks our outgoing mail server IPs against major blacklists every 15 minutes. Any blacklisting triggers immediate investigation and delisting procedures.
For bulk marketing email (newsletters, campaigns), we recommend using a dedicated transactional email service like Mailchimp, Brevo, or Amazon SES alongside your hosting. Mixing bulk marketing with transactional email on the same IP risks damaging the transactional sending reputation.

Switch today - free migration included.

DKIM by default. Monitored IPs. Free migration. From £2.99/mo.

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