Email Guides
Setup walkthroughs, migration steps and honest comparisons — written by the people who run the mail servers.
How to Manage Multiple Business Email Accounts Efficiently
Juggling sales@, support@, info@, and personal inboxes? These strategies bring order to multi-account chaos.
Catch-All Email Addresses: Benefits, Risks, and Best Practices
A catch-all email address captures everything sent to your domain. Great for catching typos, risky for spam. Here is how to use it wisely.
Email Storage Limits: How Much Space Does Your Business Actually Need?
Running out of email storage halts productivity. Learn how much your business actually needs and avoid surprise limits.
How to Set Up Autoresponders and Out-of-Office Replies
Autoresponders keep communication flowing when you are away. Set them up correctly with these templates and tips.
Email Uptime and Reliability: What 99.9% SLA Actually Means
99.9% uptime sounds great until you realize it allows nearly 9 hours of downtime per year. Here is what SLAs really mean.
How to Reduce Business Email Overload: Productivity Tips for Teams
The average employee spends 28% of their workday on email. These strategies cut that time dramatically.
What Is JMAP and How to Use It with Mailbux (Modern Email API Guide)
If you have ever tried to build an email client, automate inbox processing, or sync messages across devices programmatically, you know how painful IMAP can be. The protocol dates back to 1986, relies on a custom text-bas
How to Use WebDAV File Storage with Mailbux (Access Your Files Anywhere)
Every Mailbux account includes Drive — a built-in file storage feature that lets you store, organize, and access documents from any device. Behind the scenes, Mailbux Drive uses WebDAV , an open protocol that turns your
How to Set Up Mailbux Email in Apple Mail (Mac, iPhone, iPad)
Complete guide to setting up your Mailbux business email in Apple Mail on Mac, iPhone, and iPad. Includes IMAP/SMTP server settings, CalDAV/CardDAV sync, and troubleshooting tips.
How to Connect Mailbux to Any Email Client (Universal IMAP/SMTP Guide)
Whether you prefer Spark, Canary Mail, FairEmail, K-9 Mail, Mailbird, Postbox, Evolution, Geary, or any other email application — your Mailbux custom domain email works with all of them. This universal guide gives you th
How to Set Up Mailbux Email in Windows Mail and Outlook (Windows 10/11)
Learn how to add your Mailbux custom domain email to Windows Mail, Outlook desktop (Microsoft 365), and the new Outlook app on Windows 10 and 11 with IMAP and SMTP settings.
How to Set Up Mailbux Email in eM Client (Free Email Client for Windows & Mac)
Looking for a free, full-featured desktop email client that works beautifully with your Mailbux custom domain email? eM Client is one of the best options available for both Windows and Mac. It offers a modern interface,
How to Connect Mailbux Email to WordPress (Send Emails from Your Domain)
Why WordPress Needs SMTP for Reliable Email WordPress uses the built-in wp_mail() function to send emails by default. This function relies on your web server's PHP mail() configuration, which has serious limitations: No
How to Sync Contacts with CardDAV on Mailbux (iPhone, Android, Mac, PC)
Keeping your contacts synchronized across every device you own sounds like it should be simple — but if you have ever lost a phone and realized your address book vanished with it, you know the reality is different. CardD
How to Set Up CalDAV Calendar Sync with Mailbux (Any Device)
Managing a busy schedule across multiple devices can be frustrating. You add a meeting on your phone, but it does not appear on your laptop. You update an event on your desktop, but your tablet still shows the old time.
How to Block Spam and Phishing Emails with Mailbux Filters (Step-by-Step Guide)
Spam and phishing emails are more than an annoyance — they are a genuine threat to your business. Every day, attackers send millions of fake emails impersonating companies like Meta, PayPal, banks, and shipping carriers.
How to Add Mailbux Email to the Gmail App (Android & iOS)
If you already use the Gmail app on your phone, there is no reason to install another email app just because you switched to Mailbux. The Gmail app on both Android and iOS supports third-party IMAP accounts, which means
IMAP vs POP3 vs Exchange: Which Email Protocol Should Your Business Use?
The email protocol you choose affects sync, storage, and device compatibility. Here is which one your business should use.
How to Create a Professional Email Signature for Your Business
Your email signature is a mini billboard. Make it count with a professional design that reinforces your brand.
Business Email on Mobile: Best Apps and Configuration Tips
Access your business email on any device. The best mobile apps and setup tips for iPhone and Android.
How to Set Up Email Forwarding for Your Business Domain
Email forwarding routes messages from one address to another without the sender knowing. Here is how to configure it.
Can I Use My Domain Email with Gmail? Here's How
Learn how to use your custom domain email with Gmail, including Google Workspace, free POP3/SMTP integration, and the Gmail mobile app with IMAP.
Shared Email Hosting vs Dedicated: Which Does Your Business Need?
Compare shared vs dedicated email hosting to determine which solution fits your business needs, budget, and technical capabilities.
How to Set Up Email for a New Website: Complete Beginner Guide
A complete beginner guide to setting up professional email for your new website, covering DNS configuration, provider selection, and testing.
How to Set Up Email Forwarding Rules for Your Business Domain
Learn how to set up email forwarding rules for your business domain, including basic forwarding, conditional rules, and best practices for reliable routing.
How to Migrate from GoDaddy Email to a Better Provider
Step-by-step guide to migrating your email from GoDaddy to a better provider, covering backup, DNS changes, email transfer, and post-migration verification.
How to Migrate from Gmail to Your Own Domain Email
A step-by-step guide to migrating from Gmail to your own custom domain email, covering DNS setup, email export, forwarding, and client configuration.
How to Migrate from cPanel Email to Modern Email Hosting
A complete guide to migrating from cPanel email to a modern dedicated email hosting provider, with step-by-step instructions for backup, transfer, and DNS changes.
How to Fix Email Not Receiving on Custom Domain
Troubleshoot and fix common reasons why your custom domain email isn't receiving messages, from DNS issues to full mailboxes and spam filters.
Email Hosting vs Web Hosting: What's the Difference?
Understand the difference between email hosting and web hosting, why separating them improves reliability and deliverability, and how to choose the right providers.
Email Archiving for Business: Why It Matters and How to Do It Right
Archived emails are legal protection and institutional memory. Learn how to implement email archiving properly.
Custom Email Domain: Step-by-Step Setup Guide for 2026
Follow this comprehensive 2025 guide to set up a custom email domain from scratch, including DNS records, authentication, and email client configuration.
How to Create info@ support@ and sales@ Email Addresses
Learn how to set up essential role-based email addresses like info@, support@, and sales@ for your business domain, with best practices for managing them.
Common Email Setup Problems and How to Fix Them
Troubleshoot the most common email setup problems including authentication errors, spam issues, certificate warnings, and delivery failures with practical fixes.
How to Invite Team Members to Manage Your Account
Learn how to invite team members with specific permissions to help manage your email accounts, domains, and more.
How to Login to a Tenant Account
Learn how to access tenant accounts created under your reseller plan using Add Account or direct login.
How to Create Your First Business Email Account
Step-by-step guide to creating your first business email account on Mailbux. Add your domain, configure DNS records, and start sending professional emails in minutes.
How to Cancel Your Mailbux Subscription
Learn how to cancel your paid subscription and what happens to your account after cancellation.
Why Are My Emails Going to Spam? Troubleshooting Email Deliverability
Emails landing in spam? Learn the most common causes: missing SPF, DKIM, or DMARC records, blacklisted IPs, and spammy content. Step-by-step troubleshooting checklist.
How to Verify Your Email DNS Records Are Correct
Learn how to verify your MX, SPF, DKIM, and DMARC DNS records are set up correctly using free lookup tools. Includes what correct results look like vs wrong ones.
How to Use the SPF Lookup Tool to Verify Your SPF Record
Verify your SPF record includes msg25.com to ensure emails from Mailbux are authenticated and not marked as spam.
How to Use the SMTP Test Tool to Check Your Mail Server
Test your SMTP connection to my.mailbux.com to verify your outgoing email is working correctly.
How to Set Up Mailbux Email on iPhone and iPad
How to set up your Mailbux email account on iPhone and iPad using the built-in Mail app. IMAP server my.mailbux.com port 993, SMTP port 587 STARTTLS.
How to Set Up Mailbux Email on Android
How to set up your Mailbux email account on Android using the Gmail app or any IMAP email client. Server: my.mailbux.com, IMAP port 993 SSL/TLS, SMTP port 587 STARTTLS.
How to Use the MX Lookup Tool to Check Your Mail Server Records
Learn how to verify your MX records are correctly pointing to my.mailbux.com using the free MX Lookup tool.
Mailbux IMAP, SMTP, and POP3 Server Settings
The correct IMAP, SMTP, and POP3 server settings for Mailbux. Server: my.mailbux.com. IMAP port 993 SSL/TLS, SMTP port 587 STARTTLS, POP3 port 995 SSL/TLS.
How to Add DNS Records for Your Email Domain
Step-by-step guide to adding MX, SPF, DKIM, and DMARC DNS records for your Mailbux email domain. Includes the correct values and verification tools.
How to Use the DKIM Lookup Tool to Verify Email Signing
Check if your DKIM records are properly configured so your emails are cryptographically signed and trusted by recipients.
How to Connect Mailbux to Thunderbird
How to connect your Mailbux email account to Mozilla Thunderbird using IMAP and SMTP. Server: my.mailbux.com, IMAP port 993 SSL/TLS, SMTP port 587 STARTTLS.
How to Connect Mailbux to Microsoft Outlook
How to connect your Mailbux email account to Microsoft Outlook using IMAP and SMTP. Server: my.mailbux.com, IMAP port 993 SSL/TLS, SMTP port 587 STARTTLS.
How to Choose the Right Business Email Provider: A Buyer's Checklist
Not all email providers are equal. Use this checklist to evaluate features, security, pricing, and support before choosing.
How to Use the Blacklist Check Tool to Protect Your Email Reputation
Check if your domain or IP is on any email blacklists that could cause your emails to be blocked or sent to spam.
How to Create Email Aliases in Mailbux
Aliases like info@, support@, and sales@ route messages to the right people. Learn how to set them up effectively.
Business Email Etiquette: 15 Rules Every Professional Should Follow
Good email etiquette separates professionals from amateurs. Follow these 15 rules to write emails people actually read and respond to.
How to Migrate Your Business Email Without Losing a Single Message
Move every email, every folder, every label from your old provider to a new one. Our free migration tool handles the heavy lifting.
How to Set Up a Custom Domain Email for Your Business in 5 Minutes
A custom domain email like [email protected] builds trust. Follow this quick guide to set yours up today.