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Need a little bit of help configuring Postfix/Dovecot on my Ubuntu 16.04/Virtualmin VPS for [Email, Security and Encryption]

■■■■■ VPS Server Information ■■■■■

I created a fresh Ubuntu 16.04/Virtualmin VPS which hosts both email and websites at '[login to view URL]'. I use Cloudflare for all of my domains including my VPS domain '[login to view URL]'. I have added MX ([login to view URL]), A , SPF, DKIM and DMARC TXT records for my domains which seem to be valid. All of my domains have Cloudflare SSL certificates, I have installed Cloudflare origin certificates. I have created a second virtualmin virtualserver '[login to view URL]' and added 2 test email addresses 'admin@[login to view URL]', 'info@[login to view URL]'. My server host rDNS is set to '[login to view URL]'. I have added a 'mail' virtual server alias to my '[login to view URL]' virtualmin virtual server.

■■■■■ Issue 1 - Can't receive email ■■■■■

I can't receive external emails to my VPS, I can send email locally from 'admin@[login to view URL]' to 'info@[login to view URL]' but not the other way around. I receive a "Diagnostic-Code: X-Postfix; unknown user" error on my external email account when attempting to send mail to my VPS. It is likely to be something todo with the hostname fields in Postfix.

■■■■■ Issue 2 - Spam ■■■■■

I can send emails successfully from my test email addresses using Roundcube, but they goto recipients spam folders. I have a 'SpamAssassin -1.274 RDNS_NONE' error from [login to view URL] and [login to view URL] produces a few other errors. My SPF, DKIM and DMARC records seem to be valid. I want to ensure emails for any domain I add to virtualmin go to a recipients inbox.

■■■■■ Issue 3 - Email encryption & security ■■■■■

I want to enable Dovecot IMAP/POP3 SSL and Postfix SMTP authentication and encryption for external email clients, and ensure any other configurations are based on best practices for security.

Kemahiran: DNS, Linux, Sistem Admin, Ubuntu, Pengehosan Web

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Tentang Majikan:
( 0 ulasan ) United Kingdom

ID Projek: #18771323

Dianugerahkan kepada:

infihost

Hi, I will audit complete configuration of the server and will find the issue of mail not being received and spam issue. I will also install and configure SSL/TLS on the server. I do have more than 8 years of Lagi

$40 USD dalam 0 hari
(91 Ulasan)
5.4

6 pekerja bebas membida secara purata $50 untuk pekerjaan ini

kuldeepvk

Hi, I will fix all these issues .I will pass all authentications and records and make sending and receiving proper. Please discuss. Thank you

$40 USD dalam 0 hari
(283 Ulasan)
6.8
talhamq

I have experience in deploying and maintaining of: Cloud Computing Platforms: AWS Amazon Web Services,Microsoft AZURE, Google Cloud (GCP). Server Operating Systems: Windows Server 2003-to-2012R2, Windows Ser Lagi

$40 USD dalam 0 hari
(191 Ulasan)
6.1
vinnie6669

I am a Linux admin have 9 years of experience in this field. I worked in webhosting industry and manage datacenter from remote. I give full server management services I have setup many mail server postfix , qmail, exim Lagi

$39 USD dalam 10 hari
(28 Ulasan)
4.3
drkamine

Hello, i'm an expert IT with more 15 years of experience in IT industry . i'm certified lpi 101, 102 and RHCSA and VCP 5.5 Data Center and MSCA/MSCE from 2003 to 2012 . i offer a very good quality of service /price . Lagi

$30 USD dalam sehari
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1.9
RovikLabs

Hello, We have more than 15 years of experience on Website Hosting,Server Administrator, Platform Migration,Cloud Platform, Automating Infrastructure setup, Devops Environment, Application deployment and Database M Lagi

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