TrekMail Blog
Practical guides, email hosting insights, and tips to get the most out of your domains and mailboxes.
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Email Migration
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Operations Playbook
Multi Domain Email Hosting: Scale Without Losing Control
Multi domain email hosting breaks when you manage it by memory. Here is the operating model: domain templates, blast radius segmentation, routing governance, and a 30-minute incident recovery workflow that actually works.
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Alexey Bulygin
Operations Playbook
Customer Email Management: Control Model for Access & Resets
Customer email management fails when nobody can answer who owns the mailbox or who can reset it. Here's the practical control model: roles, reset policies, offboarding checklists, and provisioning standards that hold up under pressure.
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Alexey Bulygin
Business Email
Create Email With Your Domain: Full Setup Guide
Set up professional email on your own domain in under 30 minutes. This runbook covers MX records, mailbox creation, SPF/DKIM/DMARC authentication, and how to avoid the DNS mistakes that kill deliverability.
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Alexey Bulygin
Email Migration
imapsync: Operator's Guide to Safe Email Migration (2026)
imapsync is the industry standard for mailbox-to-mailbox migration — but one wrong flag and you've got duplicates, missing folders, or a banned IP. This is the operator's guide to doing it right: staged workflow, throttling, Gmail traps, and verification.
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Alexey Bulygin
Operations Playbook
Client Email Management: Stop Agency Mailbox Chaos
Who owns this mailbox, and who can reset it? If you can't answer that in 60 seconds, you don't own it — you're borrowing it. Here's the ownership model that stops agency email chaos before it starts.
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Alexey Bulygin
Business Email
Set Up Email on My Domain: Fix Login Works, Mail Doesn't
You can log in but mail still won't flow. This runbook walks you from 60-second triage to CLI diagnostics — fixing MX records, SMTP port blocks, auth failures, and the DNS mistakes that cause silent delivery failures.
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Alexey Bulygin
Business Email
Secure Email for Business: Minimum Security Settings (2026)
Your email inbox is the master key to everything else in your business. This is the minimum security baseline — 12 controls that block the attacks that actually take down SMBs.
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Alexey Bulygin
Business Email
Business Email for Small Business: What It Is, Why It Matters, and How to Choose a Provider (2026)
Most small businesses treat business email like a commodity. It’s not — it’s your identity layer, security perimeter, and migration risk. Here’s the operator’s guide to choosing the right infrastructure.
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Alexey Bulygin
Email Forwarding
Email Forwarding: Setup, Fix & How It Works (2026)
Email forwarding looks simple until it breaks — silently, with no bounce. This guide covers how forwarding actually works at the SMTP layer, the three setup patterns (one works, two don't), and a symptom-to-fix debug table for every common failure mode.
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Alexey Bulygin