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We log into our mail account via webmail,

domain.com:2095

domain.com/webmail

After clicking “Add Auto Responder”, the settings window we need to configure appears,

In this field, you can leave the ‘Character’ field as
UTF-8.

The ‘Interval’ section specifies how long after the auto-responder has replied to a mail it will wait before responding to another mail from that same address again.

In the ‘Email’ section you need to specify the address you want to add an
auto-responder to.

In the ‘From’ section you can write your name and surname. The value entered in this field will be shown as the sender in the mail sent to the other party by the auto-responder.

In the ‘Subject’ field you can write the subject of the
mail.

Whether to select the ‘Html’ option is your choice. If there will be images or similar content in the mail content, you can use HTML.

In the ‘Body’ section you can write the mail content.

In the ‘Start’ section, if immediately is
selected, the auto-responder will be activated instantly; with the custom option you can activate it at a date of your choosing.

In the ‘Stop’ section, if you select never, the auto-responder will continue unless you intervene. If you select Custom, the
auto-responder will be deactivated on the specified date.

After configuring your auto-responder as desired within these options, you can add your auto-responder by clicking the ‘Create/Modify’ option.

First, let’s open the Microsoft Outlook 2010 program.

Click the Next option in the program.

In the “Do you want to configure an email account?” option, select Yes and click
Next.

The
automatic account setup section will appear. Select the “Manually configure server settings or additional server types” option at the bottom and click the Next button.

On the Choose Service screen, select “Internet E-mail” and click the Next button.

In the Internet Email
Settings section, fill in the information as shown in the image. After entering the information, click the “More Settings” button.

In the window that opens, under the “Outgoing Server” tab, check the “My outgoing server (SMTP) requires authentication”
option.

In the
Advanced tab, set the “Outgoing server (SMTP)” field to 587. Save the settings with the OK button.

Note: If you receive an error related to server authentication, you can set the Use the following type of encrypted connection option to
Auto.

Click the Next button. Click the Finish button. Our configuration is complete.

Since your corporate mail addresses run on the server, you can technically use your mail account from the webmail interface. However, using mail client programs such as Outlook and
Thunderbird is much more advantageous both for ease of use and for the convenience of backup and tracking operations. If you want to use your mail account via Outlook 2013, after installing Outlook on your personal computer, you can easily complete the mail account
setup by following the steps below.

When we want to perform the initial Outlook setup, we will encounter the Account Configuration section. A question with Yes and No options will be asked here. Continue with the Yes option.

In the add
account section in the next step, continue by selecting the Manual setup or additional server types option.

In the next step, we will encounter 3 different options. Since we will set up as POP3/IMAP, we continue by selecting
the last option at the bottom.

We have now reached the section where we will enter our email account information and configure our settings. We need to fill in the email information we will use completely on the first page that appears. The section we need to pay attention to
is the Incoming and Outgoing server sections. Data is generally entered in this section as mail.yoursitename.com. However, if you are using a special mail server, you may need to enter the hostname name or IP address of your mail server. You can see example data
entries in the image below. Fill in these sections with your own email information.

After entering the information here correctly, we go to the More Settings section at the bottom right. From here, we will configure the
Outgoing Server SMTP settings of our account. When we enter the More Settings section, in the small window that appears, we go to the Outgoing Server tab and activate the SMTP setting that is currently inactive.

After activating our SMTP setting, we go to the Advanced section in the upper tab and configure the incoming - outgoing port settings as follows.

After completing our SMTP settings in this way, we finish with the
OK button. On the first page where we entered our email account information, we can check whether there is a problem with our settings by clicking the Test Account Settings… button. If we receive a Completed result
for both the incoming and outgoing server, we can complete our account adding process with the Next > button.

We have completed the installation without issues and defined our email account in the Outlook program.

Hello,

You can use our corporate email service via webmail, as well as on different mail programs such as Outlook and Thunderbird. In this article, I will provide
information about the necessary settings for using our corporate email service via Outlook.

Outlook 2013 Setup

After clicking Add New Account in Outlook, we enter the mail and server information as follows on the page where information will be entered.
The preference to set up mail as IMAP or POP3 is entirely yours. However, if you set it up as IMAP, your emails will be kept both on webmail and on Outlook. This way, you can check your emails via webmail even when you are not on your personal computer.

The point to be
careful about here is the incoming and outgoing server sections. Since a special mail server is used in our corporate email service, the server hostname must be written in the incoming and outgoing server section. If you enter information as mail.domain.com, you will
have made an incorrect entry and will receive an error on the settings test screen.

After entering the information as shown in the image above, we continue the process by clicking the “More Settings” button. In the window that opens,
we check the SMTP authentication section under “Outgoing Server” in the second tab.

After this, we go to the Outgoing Server tab on the 3rd tab and configure the port settings for incoming and outgoing servers. Selecting
“Auto” for the port settings for Incoming and Outgoing servers on Outlook 2013 will be sufficient.

After making our settings as shown in the image, we can start the account settings testing process by clicking the “Next”
button on the main settings screen. If there is no problem with your settings, you can see completed messages in the incoming and outgoing server tests.

IMPORTANT NOTE: If you are using a version older than Outlook 2010, you need to make all other
settings the same except for port settings. For older versions, it will be sufficient to make the settings as follows for the outgoing server port settings.

A park domain allows you to “park” new domain names on your existing site. If you want the same site to open when two different domain names are entered, you can
accomplish this by adding a Park Domain. For example; you purchased 3 different extensions for the same domain name as alanadi.com, alanadi.net, and alanadi.org. When you set up your site as
alanadi.com, if you want your main site to also open when alanadi.net and alanadi.org addresses are entered, it is sufficient to add alanadi.net and alanadi.org addresses as park
domains via cPanel. After doing this, regardless of which of the 3 domain names is typed in the browser, the same site will open.

We can add a domain named Deneme.com. We can see the domains we added at the bottom. The ozgur.ciftci.com
domain shown in the image was added previously. By entering the “Manage Redirection” tab, we can enter the domain we want to open.

When we click Save and type ozgurciftci.com in our browser, the deneme.com page will
open.

The Perl directory causes a very significant security vulnerability on cPanel servers. Shell files (C99, R57, etc.) can easily be uploaded to servers with the Perl directory open. The way to
prevent this is to close this directory. Of course, just closing this directory does not mean that shell files cannot be uploaded to your server. There are also different software operations that need to be done to definitively prevent shell files from being uploaded.
On servers with the Perl directory open, cPanel and webmail can be accessed via /cpanel and /webmail. Hosting companies generally close the Perl directory because they value server security. For this reason, cPanel and webmail can be accessed via ports like
domain.com:2082 instead of /cPanel. Although this may seem like a problem for some users, it is actually a good situation in terms of security. If you access cPanel via port at the hosting company you use, it means the Perl directory is closed and you are generally
receiving service from a secure server. Now let’s look at how to close the Perl Directory;

which perl

When you type this command, you will get the /usr/local/bin/perl output.

ls -lh

  /usr/local/bin/perl

When you type this command, you will get Perl’s actual directory. A file path like /usr/local/bin/perl -> /usr/bin/perl* will appear and from here you can see the write permissions of the Perl directory.

chmod

  700 /usr/local/bin/perl

The write permission the Perl directory needs to have to be closed is 700. With the above command, we set the Perl directory write permission to 700 and close Perl. When we apply this command, as mentioned above, you are now
blocking access to panels via /cPanel and /webmail. The operation that needs to be done now is to ensure that the Perl directory does not become writable again after any cPanel update. This way, the Perl directory will not be writable unless you manually open
it.

chattr -i /usr/bin/perl

chmod 700 /usr/bin/perl

chattr +i /usr/bin/perl

With these commands, we have prevented the Perl directory from becoming writable again. With the chattr command, you lock a file, and while the file is locked,
write operations cannot be performed on it. Now, after any update, the Perl directory write permissions will not change and therefore no security vulnerability will occur. If you do not apply the last locking commands above, the 700 write permission you gave will be
broken after the cPanel update and this file will revert to being writable again, i.e., revert to 777 write permission. To prevent this, you must lock the file.

As with many hosting companies, the php mail() function is disabled in our company as well. The reason for keeping this function disabled is that mail can be sent directly without any
authentication in the php mail() function. This causes the mail to be detected directly as spam and land in the junk folder. With excessive sending, the server IP address is also added to the blacklist.

Now let’s see how to send mail using SMTP connection via
PHP. For this, we will use the PHPMailer library.

You can download the PHPMailer library here.

We upload the class.phpmailer.php,
class.smtp.php, and class.pop3.php files to the same directory as our mail form.

Our mail form code:

IsSMTP(); $mail->SMTPDebug = 1; // debugging: 1 = errors and messages, 2 = messages only $mail->SMTPAuth = true;
$mail->SMTPSecure = ‘ssl’; // ssl for secure connection, tls for normal connection $mail->Host = “mail.siteismi.com”; // Mail server name $mail->Port = 465; // 465 for secure connection, 587 for normal connection $mail->IsHTML(true);
$mail->SetLanguage(“tr”, “phpmailer/language”); $mail->CharSet  =“utf-8”; $mail->Username = “isim@siteismi.com”; // Username of our mail address $mail->Password = “PASSWORD”; // Password of our mail address $mail->SetFrom(“isim@siteismi.com”,
“Isim”); // Name displayed when sending mail $mail->AddAddress(“ahmetmakal@msn.com”); // Recipient address $mail->Subject = “Mesaj Basligi”; // Subject heading $mail->Body = “Mesaj icerigi”; // Mail content if(!$mail->Send()){    echo “Mailer
Error: “.$mail->ErrorInfo; } else {    echo “Mesaj gonderildi”; } ?>

I wrote the fields that need to be filled in after the code.

Now let’s see the necessary settings for Gmail and Yandex, which provide free mail
service.

Yandex SMTP Settings:

$mail->SMTPSecure = ‘tls’; $mail->Host = ‘smtp.yandex.com’; $mail->Port = 587;

Gmail SMTP Settings:

$mail->SMTPSecure = ‘ssl’; $mail->Host =
‘smtp.gmail.com’; $mail->Port = 465;

SMTP Mail Settings for Ready-Made Scripts:

Now let’s cover how SMTP settings should be configured for ready-made software. Some ready-made software includes the PHPMailer library running in the
background. These settings are made from the admin interface. Below are the settings for some software as examples.

For WordPress, we need to install the WP Mail SMTP plugin. Apply the
following settings from Settings > Email. From Email: isim@siteismi.com From Name: Name Mailer: Send all WordPress emails via SMTP. SMTP Host: localhost or server hostname must be entered. (you can learn the server hostname from us) SMTP Port: 465 Encryption: Use
SSL encryption. Authentication: Yes: Use SMTP authentication. Username: isim@siteismi.com Password: mailpassword

SMTP Settings for vBulletin: vBulletin Options > E-Mail Settings. From here, select Send emails via SMTP Server

SMTP
Server: mail.siteadresiniz.com SMTP Port: 465 SMTP Username: isim@siteismi.com SMTP Password: Your email address password Guaranteed connection to SMTP Server: SSL

SMTP Settings for SMF: To access settings, go to Admin Panel > Maintenance
> Email. Email Type: SMTP SMTP Server: ssl://localhost or ssl://mail.siteadresiniz.com SMTP Port: 465 SMTP Username: isim@siteismi.com SMTP Password: Your email address password

SMTP Settings for OpenCart: To access settings, go to System
> Settings > Mail. Mail Protocol: SMTP SMTP Host: ssl://localhost or ssl://mail.siteadresiniz.com SMTP Username: isim@siteismi.com SMTP Password: Your email address password SMTP Port: 465

You can also send mail via SMTP for other software by making the
same settings.

The php.ini file is a configuration file where you can configure the PHP settings on the server. Depending on the software installed on servers, it may be necessary to change settings via
php.ini. In a standard server, once php.ini settings are configured, there is no need to edit them unless there is a special situation. However, changes to values or functions may be necessary for custom
software.

• safe_mode

• max_execution_time

• max_input_time

• memory_limit

• register_globals

• magic_quotes_gpc

and many other properties can be changed.

How to
Edit?

You want to change the memory_limit property in php.ini. If you have not made any changes since the server installation, it defaults to 32M. To change this value to 256M, connect to the server via SSH and;

nano

  /usr/local/lib/php.ini

run this command. After running the command, the contents of the php.ini file will appear starting from the first line. To quickly find the property we are looking for, we switch to search mode with Ctrl+W. After switching to
search mode, when we type memory_limit and search, it will directly find the memory_limit property. By changing the value here to 256M and saving with Ctrl+X, our memory limit on the server will now be 256M. For changes to take effect, we need to restart the Apache
server with the /etc/init.d/httpd restart command.

You can change many other settings via php.ini in this way. What matters is performing these operations based on the error you receive for the script you want to install. The most commonly encountered issue is the safe_mode issue.
If a server’s php.ini file has safe_mode = off set, I do not recommend changing this. If the script you want to install gives an error stating that safe_mode = on is required, and you turn on safe mode to install this script, your sites among the other active sites
on the server that require safe_mode = off will give errors. Additionally, having safe mode enabled in older versions of PHP creates a security vulnerability. For this reason, if you are using a version older than PHP 5.3, we recommend keeping safe mode disabled.

As with many hosting companies, the phpmail() function is disabled in our company as well. The reason for keeping this function disabled is that mail can be sent directly
without any authentication in the phpmail() function. If mail is sent without authentication, it is impossible to prevent spam mail sending. To prevent spam mails and IP addresses from being added to blacklists, the mail() and phpmail() functions must be kept disabled
on servers and mail must be sent via SMTP.

Now let’s cover how to send mail using SMTP connection via PHP. For this, we will use the PHPMailer library.

You can download the PHPMailer library here.

We upload the class.phpmailer.php, class.smtp.php, and class.pop3.php files from the downloaded library to the same directory as our mail form.

Our mail form code:

    require(“class.phpmailer.php”);

    $mail = new PHPMailer();

    $mail->IsSMTP();

    $mail->SMTPDebug = 1; // debugging: 1 = errors and messages, 2 = messages only

    $mail->SMTPAuth = true;

    $mail->SMTPSecure = ‘ssl’;

  // For secure connection use ssl, for normal connection use tls.

    $mail->Host = “mail.siteismi.com”; // Mail server name must be entered.

    $mail->Port = 465; // 465 for secure connection, 587 for normal connection

    $mail->IsHTML(true);


$mail->SetLanguage(“tr”, “phpmailer/language”);

    $mail->CharSet =“utf-8”;

    $mail->Username = “isim@siteismi.com”; // Username of our mail address

    $mail->Password = “PASSWORD”; // Password of our mail address

$mail->SetFrom(“isim@siteismi.com”, “Isim”); // Name displayed when mail is sent

    $mail->AddAddress(“ahmetmakal@msn.com”); // Recipient address

    $mail->Subject = “Mesaj Basligi”; // Subject heading

    $mail->Body = “Mesaj icerigi”; // Mail

  content

    if(!$mail->Send()){

    echo “Mailer Error: “.$mail->ErrorInfo;

    } else {

    echo “Mesaj gonderildi”;

    }

I wrote the fields that need to be filled in as comments after the code above. With the above settings, you can send
mail without issues using your server’s SMTP service.

Now let’s see the necessary settings for Gmail and Yandex, which provide free mail service.

Yandex SMTP Settings:

      $mail->SMTPSecure = ‘tls’;

    $mail->Host = ‘smtp.yandex.com’;

    $mail->Port = 587;

Gmail SMTP Settings:

    $mail->SMTPSecure = ‘ssl’;

    $mail->Host =

  ‘smtp.gmail.com’;

    $mail->Port = 465;

SMTP Mail Settings for Ready-Made Scripts

Now let’s cover how SMTP settings should be configured for ready-made software. Some ready-made software includes the PHPMailer library running in the
background. You can also configure SMTP settings from the interface of the software you use. Below are the settings for some software as examples.

For WordPress, we need to install the WP Mail SMTP
plugin.

    Apply the following settings from Settings > Email.

    From Email: isim@siteismi.com

    From Name: Name

    Mailer: Send all WordPress emails via SMTP.

    SMTP Host: localhost or server hostname (you can learn

  the hostname from us)

    SMTP Port: 465

    Encryption: Use SSL encryption.

    Authentication: Yes: Use SMTP authentication.

    Username: isim@siteismi.com

    Password: mailpassword

SMTP Settings for vBulletin:

    vBulletin Options > E-Mail Settings

    From here, select Send emails via SMTP Server.

    SMTP Server: mail.siteadresiniz.com

    SMTP Port: 465

    SMTP Username: isim@siteismi.com

    SMTP Password: Your email address password


Guaranteed connection to SMTP Server: SSL

SMTP Settings for SMF:

    To access settings, go to Admin Panel > Maintenance > Email.

    Email Type: SMTP

    SMTP Server: ssl://localhost or

  ssl://mail.siteadresiniz.com

    SMTP Port: 465

    SMTP Username: isim@siteismi.com

    SMTP Password: Your email address password

SMTP Settings for OpenCart:

    To access settings, go to System

  > Settings > Mail.

    Mail Protocol: SMTP

    SMTP Host: ssl://localhost or ssl://mail.siteadresiniz.com

    SMTP Username: isim@siteismi.com

    SMTP Password: Your email address password

    SMTP Port: 465

Each software has its own SMTP
settings. Based on the examples above, you can easily configure the SMTP mail settings for the software you use.