Fix email issue on Cent Os server

Help with email configuration for my VPS server on Cent Os + Vesta CP + Webmin

Google is blocking my emails even if server is not listed. Also server is not accepting new emails from any mailbox.

Error while sending to my mailbox:

The error that the other server returned was:

451 Temporary local problem - please try later

Error while sending from my mailbox to google:

SMTP error from remote mail server after end of data:

host [url removed, login to view] [2a00:1450:400c:c0b::1b]:

550-5.7.1 [2a02:c200:1:10:2:5:6794:1 12] Our system has detected that this

550-5.7.1 message is likely unsolicited mail. To reduce the amount of spam sent

550-5.7.1 to Gmail, this message has been blocked. Please visit

550-5.7.1 [url removed, login to view]

550 5.7.1 for more information. [url removed, login to view] - gsmtp

Skills: Linux, PHP, Software Architecture, Web Hosting

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About the Employer:
( 6 reviews ) Malogoszcz, Poland

Project ID: #12031312

Awarded to:


Hello! My name is Andrey. I'm from Odessa, Ukraine. I have right skills and great experience for begin working on your project just right now! You may show good reviews at my profile More

zł115 PLN in 2 days
(214 Reviews)

17 freelancers are bidding on average zł94 for this job


Hello. I would like to help you with fixing email issue on vestacp. I have experience. Please read my feedbacks. Thank you.

zł95 PLN in 1 day
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Hi Sir, Hope you are doing well, I am Working with 3 tier Data Center Organization as a Linux Expert, I have more than 8 years experience in, Linux Servers Setup, Configuration, Security, Web hosting, Database, Mail Se More

zł96 PLN in 1 day
(180 Reviews)

Dear Client, Thank you for allowing us to place a bid on your project. I have gone through your requirements and can fulfill the same. I found this quite interesting so, I consider myself as a good fit for all the More

zł100 PLN in 2 days
(158 Reviews)

Hi, I will audit server and fix all mail issue and implement all mailing techniques like spf,dkim,ip rotation etc. Thank you

zł135 PLN in 1 day
(72 Reviews)

Hi there - My name is Jhalak. I’ve read your [login to view URL] team has 4 years experience designing and developing mobile apps and Websites.I would approach your project by starting with wireframes and getting the site complet More

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Hello, I am a skilled unix and network engineer with 5 years of experience in unix based systems, virtualization like proxmox,esxi,xen,virsh, iptv,zimbra etc. I like to automate system working with additional shell scr More

zł135 PLN in 1 day
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hello, raza here, I am system and network administrator with more than 8 year experience . Currently I am working as network and system administrator for a local organization on regular basis. I am available right now More

zł90 PLN in 1 day
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Global IT Providers (GIP) is an established, Cloud Infrastructure Management, Server Administration, IT Support Services, Web Hosting, Web Development, Hosted Exchange Services or Office 365 Server. Carefully studying More

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Hi, I have more than 7 years experience in setup and management of different Linux web hosting servers like CentOS, RedHat, Ubuntu, Debian etc. I have a long time experience in managing complicated hosting envi More

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We are CRM, ERP, POS, Custom Software solution providing company. We also deal with Portal, Blog, Social Media, e-commerce solution, Linux Migration and Open Source Development. We are quite confident that we can accom More

zł105 PLN in 2 days
(10 Reviews)

Hi, This is most likely a SPF configuration error, or your Postfix is bound to a wrong IP (ipv6??). I can fix this for you. All the best, Istvan Prosinger

zł90 PLN in 1 day
(5 Reviews)

Reason is simple: you server can not pass this criteria: [login to view URL] Usually you have missed something during meal server set up or your IP was used for sending spam. Thank More

zł75 PLN in 1 day
(1 Review)

Good Day! I am PHP WEB DEVELOPER. I have read your project requirements very carefully and look forward to further work opportunity on your project. Pricing will be Z95 for this project. I have an excellent Web desig More

zł95 PLN in 1 day
(1 Review)

Hello, I understand the emergency. Let me help you to understand how we can get it working quickly. It mostly happens when mail server has misconfigure. . I understood root cause of your issue and surely fix it. More

zł75 PLN in 1 day
(0 Reviews)

First i need to debug actually what is going on sever . Then i need check the google email service that is there any limitation or not for email .

zł75 PLN in 3 days
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A proposal has not yet been provided

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zł75 PLN in 1 day
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Hey there, I run my own web hosting business and I exclusively use Vesta CP on my servers. I recently had the first issue ( 451 Temporary local problem) when sending mail to my own server. I'd have to perform some d More

zł95 PLN in 1 day
(0 Reviews)