MailTested Email Report: mxg8b62e

送达率报告 — 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

🟠 不好。发现身份验证或 DNS 问题。修复 SPF、DKIM 或 PTR。

7.0/10

总分

Status: DONE

组件得分

身份验证

6/10

SPF & DKIM validation

DNS Hygiene

10.0/10

PTR & Blacklists

垃圾邮件风险

-3.6

SpamAssassin analysis

送达链

rDNS

反向 DNS (rDNS)

A Record

Hostname Resolution

SPF

Sender Policy

DKIM

Email Signature

DMARC

Policy Framework

Blacklist

IP & Domain Rep

身份验证

SPF 验证

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

显示技术详情

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 验证

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.

显示技术详情

DKIM Signature
Public Key TXT	No public key found

DMARC 策略

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.

显示技术详情

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

邮件头一致性

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

显示技术详情

From Domain	protectedname
DKIM Domain	N/A
Return-Path Domain	Missing

DNS 主机名 & MX 检查

反向 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.

显示技术详情

IP	`172.236.31.20`
HELO	`srv12.protectedname`
rDNS	`srv12.protectedname`
Forward match	Yes
Matches HELO	Yes

MX 记录检查

Mail exchange record validation

PASS protectedname

✅ Domain has active MX records.
Your domain correctly points to a mail server that can receive messages.

显示技术详情

Domain	`protectedname`
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.

显示技术详情

Hostname	`srv12.protectedname`
A Records	`172.236.31.20`

黑名单

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 Zone	Status
`Spamhaus SBL`	Clean
`Spamhaus CSS`	Clean
`Spamhaus XBL`	Clean
`Spamhaus PBL`	Clean
`Barracuda`	Clean
`Hostkarma`	Clean
`IMP-SPAM`	Clean
`BACKSCATTERER`	Clean

Blacklist Zone	Status
`⚠️ 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 Zone	Status
`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.

显示技术详情

Blacklist Zone	Status
`dbl.spamhaus.org`	Clean
`multi.surbl.org`	Clean
`uribl.com`	Clean

邮件内容

SpamAssassin 检查

Spam filter scoring and rule analysis

PASS Score: -3.6 / 5.0

✅ SpamAssassin likes you. Score -3.6 / 5.0 (PASS).

Score	Rule	Description
-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

Score	Rule	Description
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

内容结构 & 信号

Body format, text-to-HTML ratio, and embedded content indicators

有文本	yes
有 HTML	yes
文本比例	0.5%
Subject	`[Ticket ID: 202266] test-mxg8b62e@srv.mailtested.com`

外部链接	6
Link domains	`client.protectedname`, `www.w3.org`
HTML href/src counts	href: 3 • src: 1
缺少纯文本部分	no
Subject flags	ALL_CAPS: no • Emoji: no

显示文本正文

test-mxg8b62e@srv.mailtested.com

显示 HTML 正文

技术诊断

Envelope From	`sales@protectedname`
Recipient	`"test-mxg8b62e@srv.mailtested.com" <test-mxg8b62e@srv.mailtested.com>`
Peer IP	`172.236.31.20`
HELO	`srv12.protectedname`
rDNS	`srv12.protectedname`
Date	`Wed, 29 Oct 2025 04:10:27 +0000`