Email Deliverability and Creation of Server Records

This project is to ensure safe and fast delivery and receipts of emails on my VPS. This includes creating or enabling anti-spam policies to ensure emails to Microsoft related emails don't bounce. Below is the common error message I receive any time email from server goes to Microsoft System. The problem is only with the outbound emails.

Error message -----------------


host [login to view URL] [IP address]

SMTP error from remote mail server after pipelined MAIL FROM:<[login to view URL]> SIZE=223706:

550 5.7.1 Unfortunately, messages from IP [[login to view URL]] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140). You can also refer your provider to [login to view URL] [[login to view URL]]

Skills: DNS, Linux, Microsoft Exchange, Email Handling, Web Security

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About the Employer:
( 5 reviews ) Ottawa, Canada

Project ID: #29965694

Awarded to:


Hi, i will check the issue with mails being bounced and will install anti-spam on server ad remove error. I do have more than 13 years of expertise in web hosting, server setup, server configuration, optimisation, etc More

$67 CAD in 1 day
(466 Reviews)

5 freelancers are bidding on average $167 for this job


Looks like the message says it all, "lease contact your Internet service provider since part of their network is on our block list (S3140)." Did you catch up with your ISP first?

$140 CAD in 7 days
(9 Reviews)

Hello hope you are well, my name is Roger a Full Stack Engineer and Linux Admin. You're emails are bouncing for a few reasons: a.) Poor Reputation(Of your VPS IP) b.) Your DNS Configuration is not optimized for best More

$250 CAD in 7 days
(1 Review)

Hi Sir Hope You will B Fine.. i read your Descripition about project.. And i am Fully interested To do this. Sir i have Skills in PHP,java,phyton,web,mobileApplication. Sir If you Want a best work then without any he More

$250 CAD in 8 days
(0 Reviews)

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$130 CAD in 4 days
(0 Reviews)