Fix SPAM problem: refused to talk to me: 550 mail not accepted from blacklisted IP address ([login to view URL] - [login to view URL])

Below the problem

This is the mail system at host

I'm sorry to have to inform you that your message could not

be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can

delete your own text from the attached returned message.

The mail system

<dfssdffds@alice .it>: host [login to view URL][[login to view URL]] refused to talk to

me: 550 mail not accepted from blacklisted IP address [xxxxx]

Reporting-MTA: dns; [login to view URL]

X-Postfix-Queue-ID: 8F7FA1CA7B9A

X-Postfix-Sender: rfc822; info @ [login to view URL]

Arrival-Date: Wed, 20 Oct 2021 10:04:44 +0200 (CEST)

Final-Recipient: rfc822; xxxx @ [login to view URL]

Original-Recipient: rfc822;xxxx @ [login to view URL]

Action: failed

Status: 4.0.0

Remote-MTA: dns; [login to view URL]

Diagnostic-Code: smtp; 550 mail not accepted from blacklisted IP address


Return-Path: <info @ [login to view URL]>

Received: from [login to view URL] ([login to view URL] [[login to view URL]])

by [login to view URL] (Postfix) with ESMTP id 8F7FA1CA7B9A

for <xxxx @ [login to view URL]>; Wed, 20 Oct 2021 10:04:44 +0200 (CEST)

DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= [login to view URL];

s=default; t=1634717084;






Authentication-Results: mail. [login to view URL];

spf=pass (sender IP is [login to view URL]) smtp.mailfrom=info @ [login to view URL] smtp.helo=[login to view URL]

Received-SPF: pass ([login to view URL]: localhost is always allowed.) client-ip=[login to view URL]; envelope-from=info @ [login to view URL]; helo=[login to view URL];

X-Spam-Flag: NO

X-Spam-Score: -1.698


X-Spam-Status: No, score=-1.698 tagged_above=-9999 required=3

tests=[BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1,


URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no

Received: from [login to view URL] ([[login to view URL]])

by [login to view URL] ([login to view URL] [[login to view URL]]) (amavisd-new, port 10024)

with ESMTP id fR689cA8ZD8t for < xxxx @ [login to view URL]>;

Wed, 20 Oct 2021 10:04:44 +0200 (CEST)

Received: by [login to view URL] (Postfix, from userid 10000)

id 307EF1CA7B9E; Wed, 20 Oct 2021 10:04:44 +0200 (CEST)

To: xxxx < xxxx @ [login to view URL]>

Subject: [xx] Conferma ordine

Message-ID: <[login to view URL] @>

Date: Wed, 20 Oct 2021 10:04:43 +0200

From: Beta <info@ [login to view URL]>

Reply-To: info@ [login to view URL]

MIME-Version: 1.0

Content-Type: multipart/alternative;


X-PPP-Message-ID: <163471708413.62683.1135952362683525796 @ [login to view URL]>

X-PPP-Vhost: [login to view URL]

Taidot: Linux, DNS, Järjestelmänvalvoja, Verkkoturva, Postfix

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Tietoa työnantajasta:
( 10 arvostelua ) Pieve di Cadore, Italy

Projektin tunnus: #31916114

Myönnetty käyttäjälle:


Hello. I would like to help you with fixing spam issue on your server. I have experience. Please read my feedbacks. Thank you.

€30 EUR 1 päivässä
(1094 Arvostelua)

11 freelanceria on tarjonnut keskimäärin €122 tähän työhön

(164 arvostelua)

Hi, I will check and fix issues in mail server. I do have more than 10 years of expertise in web hosting, server setup, server configuration, etc Please discuss to start. Thank you.

€56 EUR 1 päivässä
(114 arvostelua)

HI, I am email expert and can help you with this., we can chat for details on this and will also let you know.

€100 EUR 7 päivässä
(10 arvostelua)
(16 arvostelua)

Hi Hiring manager I am Linux LAMP, Security, Monitoring, Apache, MySQL, G Suite, TCP/IP, Postfix Expert I provide remote high-quality Linux systems administration (20 years) services. Strong analytical and problem-so Lisää

€250 EUR 2 päivässä
(2 arvostelua)

Hello there I understand you are having email deliverability issues from your SMTP server. It appears that the IP address of your server is being blocked by a list that [login to view URL] uses to verify incoming messages. If you Lisää

€140 EUR 2 päivässä
(2 arvostelua)

Hello, I have over 5 years of experience as a Customer Service/Technical Support. I have email expertise and spam related issues. I look forward to discussing the position and my qualifications with you in more deta Lisää

€140 EUR 7 päivässä
(0 arvostelua)

Hi, I have experience in linux server setup and administration and available to fix the email server error. Lets kindly talk further on working to resolve this issue.

€140 EUR 3 päivässä
(0 arvostelua)

Hello, I understand that you need to do whitelisted IP address. For this, I would like to offer you my Professional AWS skills. Here is a bit about myself. I am a Professional Multi-Cloud Consultant & Trainer, workin Lisää

€160 EUR 7 päivässä
(0 arvostelua)

As shown in the mail header, your IP has been blacklisted in several RBLs. I can assist you to get the outbound spam stopped, and resolve the blacklisting issues. We can discuss it in detail if you approach me.

€100 EUR 7 päivässä
(0 arvostelua)