Email Deliverability Report — MailTested.com

Auth: 6 DNS: 10.0 Spam: -3.6
ID: mxg8b62e   From: <sales@protectedname>
Envelope: sales@protectedname

Your email score is 7.0/10

🟠 Not good. Authentication or DNS issues found. Fix SPF, DKIM, or PTR to avoid spam placement.

7.0/10
Overall Score
Status: DONE

Component Scores

Authentication

6/10

SPF & DKIM validation

DNS Hygiene

10.0/10

PTR & Blacklists

Spam Risk

-3.6

SpamAssassin analysis

Deliverability Chain

rDNS
Reverse DNS (rDNS)
A Record
Hostname Resolution
SPF
Sender Policy
DKIM
Email Signature
DMARC
Policy Framework
Blacklist
IP & Domain Rep

Authentication

SPF Validation

Sender Policy Framework verification
PASS sender SPF authorized
SPF passed. The sending IP is authorized to send mail for this domain.
SPF confirms that the sending IP 172.236.31.20 is authorized to send mail for protectedname, based on the envelope sender domain (Return-Path).
This means the domain listed in your Return-Path explicitly allows this mail server to send on its behalf.
Checked SPF domain: protectedname
From domain: protectedname
Show technical details
Current TXT (local) v=spf1 +a +mx +ip4:151.236.221.112 +ip4:172.236.31.20 ~all
SPF TXT (public) v=spf1 +a +mx +ip4:151.236.221.112 +ip4:172.236.31.20 ~all
Redirect Tree

DKIM Validation

DomainKeys Identified Mail signature
FAIL d=None, s=None
Your DKIM signature is not valid.
This usually means the public key for selector None on domain None could not be found or didn't match.
Show Diagnostic
⚠️ DKIM Diagnostic:
We were not able to retrieve or verify your public key.
💡 Suggestion: Verify that None._domainkey.None has a correct v=DKIM1; k=rsa; p=... record.
Show technical details
DKIM Signature
        
                    
Public Key TXT No public key found

DMARC Policy

Domain-based Message Authentication Reporting
Policy: none
⚠️ Your DMARC policy is set to "none". Mail servers only monitor — they do not reject spoofed emails.
This means mail servers will only monitor reports — not reject spoofed emails.
Consider upgrading your policy to p=quarantine or p=reject once SPF and DKIM are properly configured.
Show technical details
Alignment SPF: Pass • DKIM: Fail
Mode adkim=relaxed / aspf=relaxed
DMARC TXT
        v=DMARC1; p=none
        
DMARC Raw
        v=DMARC1; p=none
        

Header Consistency

Email header alignment verification
FAIL From vs DKIM: Mismatch, Return-Path: Missing
Misalignment detected: "From" domain doesn't match DKIM or Return-Path.
Notes: Return-Path missing; DKIM signature missing
Show technical details
From Domainprotectedname
DKIM DomainN/A
Return-Path DomainMissing

DNS Hostname & MX Checks

Reverse DNS (rDNS)

IP → Hostname association
PASS 172.236.31.20 → srv12.protectedname
Reverse DNS is correctly configured. The IP resolves to a valid hostname matching the HELO value.
The IP address resolves to a valid hostname and matches the HELO value used by your server.
Show technical details
IP172.236.31.20
HELOsrv12.protectedname
rDNSsrv12.protectedname
Forward matchYes
Matches HELOYes

MX Record Check

Mail exchange record validation
PASS protectedname
Domain has active MX records.
Your domain correctly points to a mail server that can receive messages.
Show technical details
Domainprotectedname
MX Records 0 srv12.protectedname.

A Record Check

Hostname resolution verification
PASS srv12.protectedname
Hostname resolves correctly.
The sending hostname is bound to a valid IP address and reachable.
Show technical details
Hostnamesrv12.protectedname
A Records 172.236.31.20

Blacklist

IP Blacklist Check

Reputation of sending IP address
✅ CLEAN
CLEAN 172.236.31.20 → srv12.protectedname
Checked: 23 lists
Your IP is clean. No blacklisting detected across 23 major DNSBL databases.
Blacklist ZoneStatus
Spamhaus SBL Clean
Spamhaus CSS Clean
Spamhaus XBL Clean
Spamhaus PBL Clean
Barracuda Clean
Hostkarma Clean
IMP-SPAM Clean
BACKSCATTERER Clean
Blacklist ZoneStatus
⚠️ China Anti-Spam Alliance: The resolution lifetime expired after 5.403 seconds: Server Do53:127.0.0.53@53 answered The DNS operation timed out.; Server Do53:127.0.0.53@53 answered The DNS operation timed out.; Server Do53:127.0.0.53@53 answered The DNS operation timed out. Timeout
LashBack Clean
Mailspike Clean
REDHAWK Clean
SORBS (Relay) Clean
SORBS (last 48h) Clean
SORBS (last 28d) Clean
SPAMCOP Clean
Blacklist ZoneStatus
SEM-BACKSCATTER Clean
SEM-BLACK Clean
RATS-ALL Clean
PSBL Clean
SWINOG Clean
GBUdb Truncate Clean
Weighted Private Block List Clean

Domain Blacklist Check

Reputation of sender domain
✅ CLEAN
CLEAN protectedname
Checked: 3 lists
Your domain is clean.
No blacklisting detected across 3 major domain-based reputation lists.
Show technical details
Blacklist ZoneStatus
dbl.spamhaus.org Clean
multi.surbl.org Clean
uribl.com Clean

Email Content

SpamAssassin Check

Spam filter scoring and rule analysis
PASS Score: -3.6 / 5.0
✅ SpamAssassin likes you. Score -3.6 / 5.0 (PASS).
ScoreRuleDescription
-0.0 SPF_HELO_PASS SPF: HELO matches SPF record
0.1 MIME_HTML_MOSTLY BODY: Multipart message mostly text/html MIME
0.0 HTML_MESSAGE BODY: HTML included in message
1.3 RCVD_IN_VALIDITY_RPBL RBL: Relay in Validity RPBL,
-2.0 RCVD_IN_VALIDITY_SAFE RBL: Sender in Validity Safe - Contact
ScoreRuleDescription
0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked.
-0.0 DMARC_PASS DMARC pass policy
-3.0 RCVD_IN_VALIDITY_CERTIFIED RBL: Sender in Validity Certification -
0.0 T_REMOTE_IMAGE Message contains an external image

Content Structure & Signals

Body format, text-to-HTML ratio, and embedded content indicators
Has Textyes
Has HTMLyes
Text Ratio0.5%
Subject[Ticket ID: 202266] test-mxg8b62e@srv.mailtested.com
External links6
Link domains client.protectedname, www.w3.org
HTML href/src counts href: 3 • src: 1
Plain-text part missingno
Subject flagsALL_CAPS: no • Emoji: no
Show text body
test-mxg8b62e@srv.mailtested.com
Show HTML body

          

Technical Diagnostics

Envelope Fromsales@protectedname
Recipient"test-mxg8b62e@srv.mailtested.com" <test-mxg8b62e@srv.mailtested.com>
Peer IP172.236.31.20
HELOsrv12.protectedname
rDNSsrv12.protectedname
DateWed, 29 Oct 2025 04:10:27 +0000