Business email blog
Clear guides and explainers: connecting your domain, setting up SPF, DKIM and DMARC, configuring email apps and phones, securing mailboxes and migrating email without losing a message.
What Is Corporate Email and Why Does a Business Need It?
What corporate email on your own domain is, what it is made of, how it helps a company, and what to prepare before you set it up for your team.
BasicsYour Own Domain vs. Free Email: What Should a Business Choose?
Comparing email on your company domain with free email accounts: trust, control over addresses, security, deliverability, and the risks businesses often overlook.
BasicsHow to Choose and Register a Domain for Business Email
How to pick a domain for company email: .uz or another extension, where to register it, whose name to put it in, how to manage DNS, and how to avoid missing renewal.
BasicsIMAP vs. POP3 vs. SMTP: What's the Difference and Which to Use
A plain-English guide to IMAP, POP3, and SMTP: how each protocol works, which ports and encryption they use, and which one to choose for your email.
DNS & authenticationMX Records: How Email Finds Your Mail Server
What MX records are, how priority and TTL work, how to check your records with nslookup and dig, and the common mistakes that break mail delivery to a domain.
DNS & authenticationSPF Explained: How to Set Up an SPF Record for Your Domain
How an SPF record works: syntax, ip4, include and mx mechanisms, ~all vs -all, the 10 DNS lookup limit, the one-record rule, and the mistakes that break SPF.
DNS & authenticationDKIM Explained: Email Signatures, Selectors, and Key Rotation
How DKIM works: message signatures and public keys in DNS, selectors, 2048-bit keys, reading DKIM-Signature and Authentication-Results headers, and rotating keys safely.
DNS & authenticationDMARC Explained: Policies, Alignment, and a Safe Rollout Plan
How DMARC works: none, quarantine and reject policies, SPF and DKIM alignment, the sp, pct, rua, adkim and aspf tags, aggregate reports, and a step-by-step rollout.
DeliverabilityWhy Your Emails Go to Spam and How to Fix It
Why emails from your business domain land in spam: SPF, DKIM, DMARC, IP and domain reputation, content, attachments, and bulk mail. A step-by-step checklist.
DeliverabilityEmail Blocklists (DNSBL): How to Check Your IP and Get Delisted
What email blocklists (DNSBL) are, how to check your IP and domain, why senders get listed, and how to get removed. Plus the role of rate limits and dedicated IPs.
App setupHow to Set Up Business Email in Outlook for Windows
How to add your business mailbox to classic and new Outlook for Windows: automatic setup, manual IMAP and SMTP settings, ports, encryption, and common errors.
App setupHow to Set Up Business Email in Thunderbird
Step-by-step Thunderbird setup for your business mailbox: automatic configuration, manual IMAP and SMTP settings, calendar via CalDAV, and contacts via CardDAV.
App setupHow to Set Up Business Email on iPhone, iPad, and Mac
Connect your work mailbox on iPhone, iPad, and Mac: Exchange ActiveSync or IMAP, manual server settings, calendar and contacts sync, and fixes for common errors.
App setupHow to Set Up Business Email on Android: IMAP and Exchange
Connect your work mailbox on Android in Gmail or Samsung Email: IMAP, Exchange ActiveSync, syncing calendar and contacts, and how to fix the most common errors.
App setupSOGo Webmail Guide: Mail, Calendar, Contacts, and Auto-Reply
A tour of SOGo webmail: signing in, working with mail, calendars, and contacts, sharing calendars with colleagues, and setting up filters, forwarding, and auto-replies.
SecurityTwo-Factor Authentication for Email: TOTP, FIDO2 Keys, Codes
How two-factor authentication protects business email: TOTP authenticator apps, WebAuthn/FIDO2 hardware keys, backup codes, and what to do if you lose your phone.
SecurityHow to Spot a Phishing Email: Warning Signs and What to Do
Warning signs of phishing emails, sender spoofing and lookalike domains, and what an employee who gets a suspicious message and the email administrator should do next.
SecurityMailbox Security: Passwords, 2FA, and What to Do After a Breach
How to protect a business mailbox: strong passwords, password managers, two-factor authentication, and a step-by-step plan for what to do if your mailbox is hacked.
AdministrationMoving Email to a New Service Without Losing Messages: Plan and Checklist
How to migrate business email to a new service: preparation, IMAP sync of existing messages, switching MX records, post-migration checks, and a final checklist.
AdministrationAliases, Forwarding, Auto-Replies, and Sieve Filters: Setup and Examples
Run shared addresses like sales@ and info@ with aliases and forwarding, set up auto-replies, and sort mail with Sieve rules. Includes ready-to-use filter examples.