Email Forwarding
Step-by-step guides on setting up email forwarding, configuring catch-all addresses, and troubleshooting common forwarding issues with TrekMail.
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Forward Email to Another Address Without Breaking DMARC
When you forward email to another address, your server becomes an unauthorized relay in the eyes of SPF. Here's why it breaks silently — and how SRS and ARC fix it without touching a config file.
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Alexey Bulygin
Domain Email Forwarding: Fix Deliverability in 2026 | TrekMail
Domain email forwarding isn't a redirect — it's a re-mailing operation. Get the identity plumbing wrong and you get silent Gmail drops and 550 rejections from Yahoo. Here's the SRS, ARC, and diagnostic playbook.
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Alexey Bulygin
Email Alias: Definition, Setup Guide & Best Practices (2026)
Email aliases let you create professional role-based addresses—sales@, info@, billing@—without paying for extra mailboxes. This guide covers SMTP mechanics, misconfigurations, and step-by-step TrekMail setup.
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Alexey Bulygin
SRS Email Forwarding: How It Works and Why It Fails
You enabled forwarding and email stopped arriving. SRS was supposed to fix it — but most guides miss the DMARC alignment failure that drops mail even after SRS is correctly configured.
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Alexey Bulygin
Domain Catch All: Route Everything Without Losing Control
Enable a domain catch all without the right architecture and you get Directory Harvest Attacks, backscatter blacklisting, and SPF failures that silently drop authenticated mail. Here's how to build it safely.
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Alexey Bulygin
SRS Forwarding: PostSRSd, ARC, and When to Host Instead
Forwarding email without SRS is a misconfiguration that breaks SPF on every hop. This is the practical guide to SRS forwarding: PostSRSd on Postfix, ARC for DMARC compliance, provider-specific failure modes, and how to verify it works before you find out the hard way.
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Alexey Bulygin
Sender Rewriting Scheme (SRS): Why Forwarding Breaks Without It
When you forward email, SPF breaks — unless you're running sender rewriting scheme SRS. Here's how SRS fixes the SPF failure, why it's still not enough, and when to stop forwarding altogether.
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Alexey Bulygin
Sender Rewriting Scheme (SRS): Why Forwarding Breaks
Email forwarding breaks SPF authentication — the forwarding server's IP isn't in the original domain's SPF record. A sender rewriting scheme fixes the envelope mismatch. Here's how it works, where it fails, and what a complete stack needs.
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Alexey Bulygin
Auto Forward Email: When It Works and When It Breaks
Auto forward email rules feel simple — redirect mail from one address to another, done. In practice, they silently delete your most important messages and damage your domain reputation. Here's when forwarding works and when it doesn't.
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Alexey Bulygin
Forward Domain Email to Gmail: The Safe Setup
Forwarding domain email to Gmail breaks SPF. Here\u2019s the exact protocol-level setup \u2014 SRS, ARC, loop prevention, Send Mail As \u2014 that makes it work without silent bounces or rejected messages.
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Alexey Bulygin
Email Alias Forwarding: Combo Tradeoffs & How to Fix It
Email alias forwarding looks simple until a client's email disappears — no bounce, no warning. DMARC rejects silently, SPF breaks at every new SMTP hop. This guide maps every failure mode and the two protocols that fix it.
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Alexey Bulygin
Domain Email Alias vs Mailbox: Decision Guide
Per-seat pricing turned aliases into a substitute for mailboxes. They're not the same thing. Here's the technical difference, when each type fails in production, and a clear decision matrix for every address on your domain.
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Alexey Bulygin