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Topics - ziad-saad

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1
CentOS 7 Problems / Undelivered Mail Returned to Sender
« on: January 25, 2021, 05:05:40 PM »
welcome
I have a problem on the server
The server receives messages without problems
But when I try to send the messages do not arrive and I get the following message

Undelivered Mail Returned to Sender
This is the mail system at host lathat-hala.

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

<xxx@gmail.com>: host gmail-smtp-in.l.google.com[172.217.222.27] said:
    550-5.7.26 This message does not have authentication information or fails
    to 550-5.7.26 pass authentication checks. To best protect our users from
    spam, the 550-5.7.26 message has been blocked. Please visit 550-5.7.26
    https://support.google.com/mail/answer/81126#authentication for more 550
    5.7.26 information. j23si3227741vso.295 - gsmtp (in reply to end of DATA
    command)
Reporting-MTA: dns; userxx
X-Postfix-Queue-ID: 53F88F0E67
X-Postfix-Sender: rfc822; info@domin.com
Arrival-Date: Mon, 25 Jan 2021 17:03:26 +0000 (UTC)

Final-Recipient: rfc822; xxx@gmail.com
Original-Recipient: rfc822;xxx@gmail.com
Action: failed
Status: 5.7.26
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 This message does not have authentication
    information or fails to 550-5.7.26 pass authentication checks. To best
    protect our users from spam, the 550-5.7.26 message has been blocked.
    Please visit 550-5.7.26
    https://support.google.com/mail/answer/81126#authentication for more 550
    5.7.26 information. j23si3227741vso.295 - gsmtp

2
SSL / How to install an SSL certificate on Apache httpd for CentOS7
« on: August 28, 2020, 10:13:03 PM »
hi
Was purchased SSL in godaddy
A control panel has been installed on the server

cd /usr/local/src
wget http://centos-webpanel.com/cwp-el7-latest
sh cwp-el7-latest

The certificate has been installed on the domain

WebServer Settings > SSL Certificates  > Manual Instal

Successfully...!
Successful operation

But the problem is that the security lock does not appear on the website link


3
Varnish / Why does my web server software disallow PUT and DELETE requests?
« on: February 24, 2020, 12:22:52 AM »
I am trying to implement a REST protocol and have realized in trying to debug that my web server is disallowing the PUT request.

I have tested and confirmed this further by running:

curl -X PUT  http://www.mywebserver.com/testpage

Which for my web server gives back a 403 - Forbidden error.

The same happens for DELETE, where as for POST and GET everything is fine.

I am wondering if this is a common issue that those who use REST encounter and what the work-around might be?

I used this code in .htaccess

<Limit GET POST PUT DELETE>
  Allow from all
</Limit>

It didn't solve the problem

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