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Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

Sending your first message with Evolution API

To send the first message you need three things: a linked instance, the API key and an HTTP request with the recipient and the text. You make the request with…

Interweb Angola www.meu.interweb.ao › Meu Interweb › 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…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSEO & Marketing

robots.txt and sitemap.xml: what they do and how to check them

They are two small files that speak to search engines, and it is very common for one of them to be wrong without anyone noticing. robots.txt tells robots where they…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAutomation & n8n

Installing n8n with Docker Compose on a VPS

n8n is installed on a VPS with Docker Compose: one file describes the container, one command starts it, and the interface appears on port 5678. This article shows what the…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAutomation & n8n

What n8n is, and what you can automate with it

n8n is a program that connects applications to one another through workflows: when something happens in one application, it does something in another, without you writing code each time. It…

Interweb Angola www.meu.interweb.ao › Meu Interweb › 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…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseComparisons and alternatives

SMTP ports 465, 587 and 25: SSL, STARTTLS and which one to use

To send e-mail from Outlook, your phone or a program of your own, use port 465 with SSL/TLS, which is the one our guides give. Port 587 with STARTTLS is…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseAI & Agents

Writing sales and follow-up e-mails with AI without sounding like spam

AI writes the skeleton of a sales e-mail well: opening, reason, a clear ask and a sign-off. What makes it read as spam is not the machine, it is the…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSecurity

The scan says clean but the site still redirects: where an infection hides

The short answer: a scan only sees what it knows how to recognise. A modern infection hides outside the files you look at first (in the database, in an .htaccess,…

Interweb Angola www.meu.interweb.ao › Meu Interweb › Knowledge Base Knowledge baseSecurity

Authenticator app, SMS or security key: which two-step verification to use

The short answer: make an authenticator app on your phone your default. It is far safer than SMS, does not depend on the mobile network, and works with almost every…