MailTested Email Report: mxg8b62e

Report doručitelnosti — 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

🟠 Není dobré. Nalezeny problémy s autentizací nebo DNS. Opravte SPF, DKIM nebo PTR.

7.0/10

Celkové skóre

Status: DONE

Skóre komponent

Autentizace

6/10

SPF & DKIM validation

DNS Hygiene

10.0/10

PTR & Blacklists

Riziko spamu

-3.6

SpamAssassin analysis

Řetězec doručitelnosti

rDNS

Reverzní DNS (rDNS)

A Record

Hostname Resolution

SPF

Sender Policy

DKIM

Email Signature

DMARC

Policy Framework

Blacklist

IP & Domain Rep

Autentizace

Validace SPF

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

Zobrazit technické detaily

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

Validace DKIM

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.

Zobrazit technické detaily

DKIM Signature
Public Key TXT	No public key found

Politika DMARC

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.

Zobrazit technické detaily

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

Konzistence hlaviček

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

Zobrazit technické detaily

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

Kontroly DNS Hostname & MX

Reverzní 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.

Zobrazit technické detaily

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

Kontrola MX záznamů

Mail exchange record validation

PASS protectedname

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

Zobrazit technické detaily

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.

Zobrazit technické detaily

Hostname	`srv12.protectedname`
A Records	`172.236.31.20`

Černá listina

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.

Zobrazit technické detaily

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

Obsah e-mailu

Kontrola SpamAssassin

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

Struktura obsahu & signály

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

Má text	yes
Má HTML	yes
Poměr textu	0.5%
Subject	`[Ticket ID: 202266] test-mxg8b62e@srv.mailtested.com`

Externí odkazy	6
Link domains	`client.protectedname`, `www.w3.org`
HTML href/src counts	href: 3 • src: 1
Chybí část s čistým textem	no
Subject flags	ALL_CAPS: no • Emoji: no

Zobrazit textové tělo

test-mxg8b62e@srv.mailtested.com

Zobrazit HTML tělo

Technická diagnostika

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`