Guides, tools and services from the team that runs the infrastructure. Start with authentication, then warmup, then monitoring.
Authentication records
TYPE
NAME
VALUE
TXT
@
v=spf1 include:migosmtp.com ~all
CNAME
mig._domainkey
dkim.migosmtp.com
TXT
_dmarc
v=DMARC1; p=none
All records found
Foundations
Verified
Start with authenticationSPF, DKIM and DMARC records prove you are who you say you are.
Daily volume
Full volume
D1
D2
D4
D6
D8
D11
D14
Gradual
Paced
Warm new IPs and domainsRaise volume gradually so mailbox providers learn to trust you.
p=none
p=quarantine
p=reject
DeliveredMonitor and learn
Spam folderSuspicious mail held
BlockedForgeries rejected
Staged
Reports
Tighten DMARC over timeMove from monitoring to quarantine to reject as you gain confidence.
Message headers
Received: from mx1 by mx2
Authentication-Results:
spf=pass dkim=pass
dmarc=pass
Return-Path: <b@x.com>
DKIM-Signature: v=1; a=rsa
From: Acme <hi@acme.io>
Subject: Welcome
Hop 1 · app.example[ms]
Hop 2 · mx1.migosmtp[ms]
Hop 3 · mx.gmail[ms]
SPF pass
DKIM pass
DMARC pass
Diagnose
Proof
Read what providers sawMessage headers show the path and the authentication verdict.
Day 1
Day 2
Day 3
Day 4
Day 5
Day 6
Gmail
!
Outlook
!
Yahoo
!
Other
!
Inbox
Promotions
Needs attention
By provider
Daily
Measure placementSee which providers deliver to the inbox and which sort you into spam.
Before sending
AI review
Subject: FREE gift!!!
Link: short-url.example
SPF aligned, DKIM ok
Soften the subject line
Use your own branded link
Authentication is healthy
AI
MediumContent risk
Fix 1Link risk
PassAuth
Plain-language fixes
You decide
AI reviews a message before it sendsA pre-send check reads content, links and authentication, then explains risks in plain language. Fix what it finds and send with confidence.