Plesk CentOS (postfix) server not receiving email

The mailserver on our Plesk CentOS server is no longer receiving email. We see a lot of these messages in the maillog.

postfix/smtpd: NOQUEUE: reject: RCPT from ...[...]: 451 4.3.0 <info@[login to view URL]>: Temporary lookup failure; from=<info@[login to view URL]> to=<info@[login to view URL]> proto=ESMTP helo=<[login to view URL]>

We need you to fix the problem so our clients can receive mail again.

Kemahiran: DNS, Linux, PHP, Sistem Admin, UNIX

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Tentang Majikan:
( 181 ulasan ) Groningen, Netherlands

ID Projek: #17203597

Dianugerahkan kepada:


Hii, I check the issue and resolve the mail issue asap. I have 4 years experience in setup and management of different Linux web hosting servers, Cloud Servers, Server Management, Server Security, Mailing Servers Lagi

$20 USD dalam sehari
(4 Ulasan)

15 pekerja bebas membida secara purata $28 untuk pekerjaan ini


Hi, I can do it. I'm ready to start working right now. My experience in web-dev (PHP, MYSQL, POSTGRESQL, HTML, JS, ETC.) and administration of the Linux system is more then 7 years!

$30 USD dalam sehari
(26 Ulasan)

HI I can fix your issue . I have 4 years of experience as system admin and can start work right away thanks

$25 USD dalam sehari
(105 Ulasan)

Hi, I will fix this issue [login to view URL] share me all details and i will make it work.I have more than 10 years of server experience. Thank you

$25 USD dalam 0 hari
(216 Ulasan)

Hi, I will check the issue and will resolve it by making your mails working. I have 10 Years of expertise as Server Admin. Let's discuss. Thanks !

$30 USD dalam 0 hari
(56 Ulasan)

Hi, We will check complete configuration of plesk server and will fix the issue of not receiving mails on the server. We do have more than 8 years of experience in this field. Thank you.

$30 USD dalam sehari
(52 Ulasan)

I have read your exact requirement and understood the error about emal is going to spam. I will fix it as per your guidance. Regards Karuna

$35 USD dalam sehari
(30 Ulasan)

hello, I'll resolve your mail receiving issue quickly. Please initiate a chat session so we can discuss more about it. thank you.

$20 USD dalam sehari
(43 Ulasan)

Hi there, I am postfix and Linux expert. I know how to resolve the issue. Please contact me

$25 USD dalam sehari
(13 Ulasan)

I can do it, I have 7 years of linux experience and I am a redhat certified specialist, I have done before thanks

$40 USD dalam 2 hari
(15 Ulasan)

Dear Employer, I can fix your Plesk email server implementation based on your requirements. If you have any questions, don't hesitate to contact me.

$55 USD dalam 0 hari
(6 Ulasan)

Hi I am expertise in such task as I am working as system admin from last 5 years and can start your project right away. Looking forward to hearing from you. Thanks

$18 USD dalam sehari
(4 Ulasan)

hi i am linux linux system administrator for 5+ years . i will be able to fix this issue within a few hours. let me know if you have any questions.

$20 USD dalam sehari
(1 Ulasan)

Hi, I can check and revert what is the cause of the issue. If it is related to postfix dovecot settings then will re-correct it right away. If it is related to any other issues will tell you the reason and the met Lagi

$25 USD dalam sehari
(0 Ulasan)
$25 USD dalam sehari
(0 Ulasan)