OT: Co znamena tento mail.

[Jindroush]

No je to spam. Co vas na tom zaujalo navic?
Jinak to ip patri bulharskemu providerovi 4Vendeta.com, o kterem se da 
dohledat vicero reportu, ze hostuji spammery.
J.

On 10.11.2021 17:43, Martin Hanek wrote:
> Dobrý den,
> provozujeme vlastní mail server na firemní doméně "domenafirmy.cz" a 
> dnes přišel tento mail:
> -------------------------------------------------------------------------------------------------------------------- 
>
> Od: MAILER-DAEMON at domenafirmy.cz
> Předmět: Successful Mail Delivery Report
> Komu: noreply at domenafirmy.cz
> Tělo:
> This is the mail system at host domenafirmy.cz.
>
> Your message was successfully delivered to the destination(s)
> listed below. If the message was delivered to mailbox you will
> receive no further notifications. Otherwise you may still receive
> notifications of mail delivery errors from other systems.
>
>                    The mail system
>
> <servis at domenafirmy.cz>: delivery via local: alias expanded
>
>
> Reporting-MTA: dns; domenafirmy.cz
> X-Postfix-Queue-ID: 359A096C081D
> X-Postfix-Sender: rfc822; noreply at domenafirmy.cz
> Arrival-Date: Tue,  9 Nov 2021 08:44:47 +0100 (CET)
>
> Final-Recipient: rfc822; servis at domenafirmy.cz
> Original-Recipient: rfc822;servis at domenafirmy.cz
> Action: expanded
> Status: 2.0.0
> Diagnostic-Code: X-Postfix; delivery via local: alias expanded
>
>
> Return-Path: <noreply at domenafirmy.cz>
> Received-SPF: softfail (domenafirmy.cz: Sender is not authorized by 
> default to use 'noreply at domenafirmy.cz' in 'mfrom' identity, however 
> domain is not currently prepared for false failures (mechanism '~all' 
> matched)) receiver=server; identity=mailfrom; 
> envelope-from="noreply at domenafirmy.cz"; helo=domenafirmy.cz; 
> client-ip=87.246.7.39
> Received: from domenafirmy.cz (unknown [87.246.7.39])
>     by domenafirmy.cz (Postfix) with ESMTP id B0C8696C07B2
>     for <servis at domenafirmy.cz>; Tue,  9 Nov 2021 08:44:47 +0100 (CET)
> From: noreply at domenafirmy.cz
> To: servis at domenafirmy.cz
> Subject: *****SPAM***** domenafirmy.cz: E-Mail Administrator
> Date: 8 Nov 2021 23:44:38 -0800
> Message-ID: <20211108234438.267AC6A14C9B34DE at domenafirmy.cz>
> MIME-Version: 1.0
> Content-Type: multipart/alternative;
>     boundary="----=_NextPart_000_0012_6DA0CD81.1CBC3A58"
> X-MailScanner-ID: B0C8696C07B2.A4167
> X-MailScanner: Found to be clean
> X-MailScanner-SpamCheck: spam, SpamAssassin (not cached, score=21.67,
>     required 5, BAYES_50 0.80, HTML_FONT_LOW_CONTRAST 0.00,
>     HTML_MESSAGE 0.00, MIME_HTML_MOSTLY 0.43, MPART_ALT_DIFF 0.79,
>     RCVD_IN_BL_SPAMCOP_NET 1.35, RCVD_IN_BRBL_LASTEXT 1.45,
>     RCVD_IN_MSPIKE_BL 0.01, RCVD_IN_MSPIKE_L5 2.57, RCVD_IN_PBL 3.33,
>     RCVD_IN_PSBL 2.70, RCVD_IN_RP_RNBL 1.31, RCVD_IN_SBL 0.14,
>     RCVD_IN_SBL_CSS 3.33, RCVD_IN_XBL 0.38, RDNS_NONE 0.79,
>     SPF_HELO_SOFTFAIL 0.73, SPF_SOFTFAIL 0.67, URIBL_BLOCKED 0.00,
>     URI_PHISH 0.89)
> X-MailScanner-SpamScore: sssssssssssssssssssss
> X-MailScanner-From: noreply at domenafirmy.cz
> X-Synology-Spam-Flag: Yes
> -------------------------------------------------------------------------------------------------------------------- 
>
>
> Co to znamená? Nějak jsem nepochopil, kde se vzal.
> Ta IP adresa, co tam je, je někde v Anglii: 
> https://whois.domaintools.com/87.246.7.39
> Díky z vysvětlení.
>

-- 
Jindroush <jindroush at seznam.cz>