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Security and protection1 min readUpdated

IP blacklists and email reputation

The nightly blacklist check of your server's address, what a listing means and how to get off a list.

Mail providers refuse email from addresses on public spam blacklists. Every night the server checks its address against the main lists.

Security tab, Blacklists: SpamCop, Barracuda, UCEPROTECT and PSBL.
Security tab, Blacklists: SpamCop, Barracuda, UCEPROTECT and PSBL.

Listed: what now

  1. Find the cause. A hacked contact form, a compromised mailbox, or a script sending spam. Check the mail log (Email tab) for unusual volume.
  2. Stop it. Fix the form (captcha), reset the mailbox password, remove the script.
  3. Ask for removal on the list's website. Most lists also expire on their own after some days without spam.

Send store email through an SMTP service (SMTP relay): your order emails then never depend on the server's address.

Did this solve it? If not, tell us what you see and we look at your server.

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Keep reading

All 13 guides
How Gen2 servers are securedThe layers that protect every server: updates, SELinux, firewall, SSH, fail2ban, per-application isolation, bot protection and backups.1 min readBot and overload protection explainedHow the Protection tab keeps bots and botnets from overloading your store, with the settings and what each one does.2 min readThe browser check: what visitors see and when it switches onA short page that stops bots and lets people through. When it runs on its own and how to turn it on or off.1 min read

Still stuck? Ask a person.

Tickets go straight to the engineers who run ShopWhizzy servers. Tell us the store, what you see and when it started, and we take it from there.

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