Custom MAIL FROM DomainsYour Brand, Our Infrastructure
Maintain complete brand consistency in email headers while benefiting from our reliable infrastructure and deliverability expertise.
What is Custom MAIL FROM?
The MAIL FROM domain (also known as Return-Path or envelope sender) appears in email headers and bounce messages. It's a critical component of email authentication and brand perception.
With custom MAIL FROM, your domain appears in all email headers instead of ours, maintaining complete brand consistency while using our infrastructure.
Professional Appearance
Recipients see your domain in all technical headers
Better Deliverability
Aligned domains improve authentication and inbox placement
Enhanced Trust
Consistent branding increases recipient confidence
Email Header Comparison
❌ Without Custom MAIL FROM:
Return-Path: <bounce@outboundsmtp.com>
From: notifications@yourdomain.com✅ With Custom MAIL FROM:
Return-Path: <bounce@mail.yourdomain.com>
From: notifications@yourdomain.comBenefits of Custom MAIL FROM
Enhance your email program with complete domain alignment
Brand Consistency
Every technical aspect of your emails reflects your brand, from visible headers to bounce messages.
DMARC Alignment
Achieve perfect DMARC alignment with matching domains throughout the email authentication chain.
Improved Deliverability
ISPs favor emails with consistent domain usage, leading to better inbox placement rates.
Professional Bounces
Bounce messages come from your domain, maintaining professionalism even in failure scenarios.
Easy Setup
Our team handles the technical configuration. Just add a few DNS records and you're ready.
Compliance Ready
Meet regulatory requirements that mandate consistent domain usage across all email components.
Simple Implementation Process
Our experts guide you through every step
Choose Your Subdomain
Select a subdomain like mail.yourdomain.com or bounce.yourdomain.com for your MAIL FROM address.
Add DNS Records
We provide the exact DNS records needed. Simply add them to your domain's DNS configuration.
Verification
We verify the configuration and ensure proper setup across all authentication protocols.
Start Sending
Your emails now show complete brand consistency while leveraging our infrastructure.
Technical Requirements
- Ability to add DNS records to your domain
- A subdomain dedicated to email operations
- Professional or Enterprise plan with OutboundSMTP
Ready to Enhance Your Email Branding?
Our email experts will help you implement custom MAIL FROM domains for complete brand consistency.