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MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseE-mail

Bounce message 550: user unknown, relay denied and rejected, what each one means

You sent an e-mail and got back a message that says “Mail Delivery Subsystem”, “Undelivered Mail Returned to Sender” or “Delivery Status Notification (Failure)”. That is a bounce, and what…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge basePHP & Development

cURL error 28, 7 and 6 in PHP: timeout, connection refused and could not resolve host

When your site calls an outside service (a payment, an API, an update) and it fails, PHP returns a cURL error number. The three most seen say different things: 6,…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseComparisons and alternatives

cPanel, DirectAdmin or Plesk: what actually differs between control panels

They do the same job with different menus. All three are hosting control panels: a web page where you create e-mail accounts, databases, domains, DNS records and backups without typing…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseNode.js, Python & Docker

Deploying a Next.js app: static export or Node server, and where each one fits

Next.js can come out in two very different ways, and picking the wrong one lies behind almost every deployment problem. The short answer: if your site does not need code…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseSEO & Marketing

Why your site does not show on Google: a checklist

“My site does not show on Google” can mean very different things. Google may not know it, may know it and have set it aside, the site may be stopping…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseWordPress & CMS

Turning on WordPress debug mode safely: WP_DEBUG and the log

The short answer: when the site shows a white page or a “critical error” without saying why, debug mode makes WordPress write the error to a file. You switch it…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseBackups & Migration

Moving your DNS zone to a new provider and checking it before you switch

Changing nameservers is a switch: the instant the rest of the internet sees it, it starts asking the new provider, and if the zone there is incomplete, whatever is missing…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseComparisons and alternatives

301 or 302: which redirect to use, and how to check what yours really is

Short answer: a 301 says “moved for good”, a 302 says “it is elsewhere for now”. If the old address is not coming back, it is a 301. Choosing is…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseNode.js, Python & Docker

CORS error between your front end and your API: how to fix it

“Access to fetch at … has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present”. It is one of the most searched messages for anyone who splits the site…

MozOut - South Africa www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseAutomation & n8n

Securing n8n: access, credentials and exposed webhooks

An n8n holds the keys to everything it automates: e-mail, sheets, shop, WhatsApp. Whoever gets into it reaches all of that. Securing n8n comes down to three fronts: who gets…