TrekMail Blog
Practical guides, email hosting insights, and tips to get the most out of your domains and mailboxes.
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Business Email
Email Aliases Are Here: One Mailbox, Every Address Your Business Needs
Your business needs info@, sales@, and support@ but not three separate inboxes. Email aliases let you attach multiple addresses to one mailbox — receive and send from all of them, with zero extra logins.
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Alexey Bulygin
Deliverability & DNS
Emails Going to Spam? Root-Cause Triage Workflow (2026 Fix)
Your emails are going to spam and rewriting subject lines won't fix it. This 15-minute root-cause triage workflow diagnoses authentication failures, reputation damage, and technical hygiene issues—then shows you exactly how to fix each one.
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Alexey Bulygin
Deliverability & DNS
Email Reputation vs Deliverability: What's Actually Different
99% delivered but 2% open rates? That's an email reputation problem, not a delivery problem. Here's how to tell them apart and fix the right one.
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Alexey Bulygin
Deliverability & DNS
SPF Record Generator: Validate Before You Deploy
Free SPF record generators produce syntactically valid strings — that's not the same as a working record. Here's why they fail and how to audit output in five minutes before it breaks your mail.
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Alexey Bulygin
Deliverability & DNS
SPF Fail: Decode the Error and Fix It Fast
Your email bounced with 550 5.7.1 or 5.7.26 and a client is waiting. An SPF fail is a DNS authentication failure, not a content problem. This guide decodes the error, finds the failing IP in your headers, and walks through the three fixes that resolve most cases.
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Alexey Bulygin
Business Email
Mail Filters, Auto-Reply, and Sieve: Server-Side Email Rules Are Here
Your inbox should sort itself. Mail filters let you automatically forward, sort, flag, or discard incoming emails based on sender, subject, or content. Auto-reply handles vacation messages. And if you need full control, the Sieve editor lets you write custom scripts.
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Alexey Bulygin
Deliverability & DNS
Improve Email Deliverability: 30-Minute Checklist
Your mail can get a 250 OK and still vanish. This 30-minute checklist shows how to improve email deliverability by fixing SPF, DKIM, DMARC, reverse DNS, and complaint rate before you waste time on the wrong thing.
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Alexey Bulygin
Email Forwarding
Catch All Email Hosting Checklist: 8 Things to Verify
Enabling catch-all email hosting switches your server from deny-by-default to accept-everything. That invites Directory Harvest Attacks, backscatter, and account suspensions. Run this 8-point checklist before you enable it.
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Alexey Bulygin
Deliverability & DNS
Email Deliverability Monitoring: The 15-Minute Routine
Your SMTP server says 250 OK. Your client never saw the email. That silence is what makes email deliverability monitoring critical — and neglected. Here's the free-tool routine that catches failures before they torch your domain.
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Alexey Bulygin
Email Forwarding
What Is a Catch All Email Address? Risks & Alternatives
A catch all email address sounds like a safety net — it catches typos before they bounce. In practice it's an open intake policy that invites spam floods, backscatter blacklisting, and broken SPF. Here's what it actually does and why you probably don't need it.
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Alexey Bulygin
Email Forwarding
Email Forwarding Custom Domain: Complete Setup Guide (2026)
Email forwarding custom domain setup routes incoming mail from your domain to an existing inbox like Gmail. This guide covers the 4-step process, 5 DNS pitfalls, SRS/ARC protocols, and a verification workflow to confirm nothing lands in spam.
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Alexey Bulygin
Email Forwarding
Domain Email Alias vs Mailbox: How to Choose the Right Setup
Domain email alias vs mailbox: aliases route mail for free but leak your identity and break audit trails. Mailboxes give isolation and clean handoffs. Here is when to use each.
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Alexey Bulygin