전달성 보고서 — 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

🟠 좋지 않음. 인증 또는 DNS 문제 발견. SPF, DKIM 또는 PTR을 수정하세요.

7.0/10
전체 점수
Status: DONE

구성 요소 점수

인증

6/10

SPF & DKIM validation

DNS Hygiene

10.0/10

PTR & Blacklists

스팸 위험

-3.6

SpamAssassin analysis

전달 체인

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

인증

SPF 유효성 검사

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
기술 세부 사항 보기
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 유효성 검사

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.
기술 세부 사항 보기
DKIM Signature
        
                    
Public Key TXT No public key found

DMARC 정책

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.
기술 세부 사항 보기
Alignment SPF: Pass • DKIM: Fail
Mode adkim=relaxed / aspf=relaxed
DMARC TXT
        v=DMARC1; p=none
        
DMARC Raw
        v=DMARC1; p=none
        

헤더 일관성

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
기술 세부 사항 보기
From Domainprotectedname
DKIM DomainN/A
Return-Path DomainMissing

DNS 호스트명 & MX 확인

역방향 DNS (rDNS)

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

MX 레코드 확인

Mail exchange record validation
PASS protectedname
Domain has active MX records.
Your domain correctly points to a mail server that can receive messages.
기술 세부 사항 보기
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.
기술 세부 사항 보기
Hostnamesrv12.protectedname
A Records 172.236.31.20

블랙리스트

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.
기술 세부 사항 보기
Blacklist ZoneStatus
dbl.spamhaus.org Clean
multi.surbl.org Clean
uribl.com Clean

이메일 내용

SpamAssassin 확인

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

콘텐츠 구조 & 신호

Body format, text-to-HTML ratio, and embedded content indicators
텍스트 있음yes
HTML 있음yes
텍스트 비율0.5%
Subject[Ticket ID: 202266] test-mxg8b62e@srv.mailtested.com
외부 링크6
Link domains client.protectedname, www.w3.org
HTML href/src counts href: 3 • src: 1
일반 텍스트 부분 없음no
Subject flagsALL_CAPS: no • Emoji: no
텍스트 본문 표시
test-mxg8b62e@srv.mailtested.com
HTML 본문 표시

          

기술 진단

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