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MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge basecPanel & WHM

Error 500 Internal Server Error: finding the cause, step by step

The short answer: error 500 means “something went wrong on the server and I cannot say what”. The cause is almost always in the error log, and almost always one…

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

IMAP or Exchange ActiveSync: what changes for e-mail, calendar and contacts

The short answer: IMAP handles mail only; sending goes over SMTP, and calendar and contacts travel over two other protocols (CalDAV and CardDAV). Exchange ActiveSync is a Microsoft protocol that…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge basecPanel & WHM

Error 429 Too Many Requests: who is asking too much, and what to do

The short answer: 429 means “you asked too many times in a short time: wait”. It appears from two sides: you receive the error (from a site, a protection or…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseDatabases

MongoDB on a VPS: install it, lock it down, and why not to expose it

The short answer: MongoDB is a database that stores documents (like JSON) instead of tables. It is not part of cPanel’s database tools, so you run it on a VPS.…

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

Which e-mail addresses a business should create: role addresses and personal ones

The short answer: create two kinds. Role addresses (such as info@, sales@, support@) are what customers see and that someone else can take over when a person leaves. Personal addresses…

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

Where things are in the new Outlook: accounts, settings, rules and offline

The short answer: the new Outlook has no File menu. Almost everything is under Settings, the gear icon at the top right, organised into Accounts, General, Mail and Calendar. People…

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

Sending from your domain address in Gmail: Send mail as, step by step, and its pitfalls

The short answer: Gmail on the web lets you write and reply with your domain address (say, hello@yourcompany) without leaving Gmail. The option is called Send mail as and it…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseChoosing the Right Plan

WHMCS e-mails landing in spam or not sent: SMTP settings, sender address and templates

This article is for resellers who run their own WHMCS. WHMCS is another company’s product: we neither sell nor resell licences, as explained in what WHMCS is. Menu names change…

MozOut www.my.mozout.com › My MozOut › Knowledge Base Knowledge baseVPS & Servers

Upgrading Ubuntu to a new release on a VPS without losing the server

The short answer: updating packages (apt upgrade) and upgrading to a new release (for example, from one LTS version to the next) are different things. The second touches the whole…

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

Duplicate e-mails in Outlook: where they come from and how to stop them

The short answer: duplicate e-mails in Outlook are almost never the sender sending twice. They come from the same account set up twice, a POP account downloading what it already…