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Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseVPS & Servers

Certbot renewal failed or the certificate expired: how to find out why

If the browser warns that a certificate has expired on a VPS using certbot, the automatic renewal either did not run or ran and failed. Open the terminal and do,…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseWhatsApp & APIs

Installing Evolution API with Docker Compose on a VPS

You install Evolution API on a VPS with Docker Compose: one file describes the services (the API, the database and, in many guides, Redis), a second file holds the settings,…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › 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…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseE-mail

Other e-mail apps on your phone: Gmail, Samsung Email and Outlook, with the same settings

The short answer: your domain’s e-mail works in any app that accepts an IMAP account. The settings are always the same; what changes is where each app asks for them.…

Interweb Mozambique www.meu.interweb.co.mz › 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 Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseE-mail

Adding your mailbox to the new Outlook fails: the messages and what to do

The short answer: when the new Outlook cannot add your mailbox, it is nearly always one of these: the password is not the mailbox one, the manual settings (IMAP) are…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSupport & Account

A 30-minute monthly routine to keep your website healthy

The short answer: a site does not break all at once: it accumulates small faults (a plugin not updated, a form that stopped arriving, a backup that was never tested).…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseSecurity

Checking your site’s HTTPS setup: certificate, chain, expiry and protocols

The short answer: the browser’s padlock does not tell the whole story. A site can show the padlock on your computer and fail on other devices because of an incomplete…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge basePHP & Development

Sending e-mail from PHP: mail() or SMTP

Use SMTP with a real mailbox on your domain. The mail() function is fine for a quick test, but it returns “sent” only because the local mail program accepted the…

Interweb Mozambique www.meu.interweb.co.mz › Meu Interweb › Knowledge Base Knowledge baseE-mail

How an e-mail travels: SMTP to the MX server, then IMAP or POP to the reader

The short answer: an e-mail travels in three legs, and each leg uses a different protocol. First, your program hands the message to your server over SMTP, with a username…