How to Secure your SMTP email relay server for GFI MailEssentials.

Just specify which mail servers can route emails through this SMTP email relay server. (for example, allow only specific servers to use this email relaying).

SMTP Email Relay Server

1- Click the start button and click administrative tools and then select Internet Information Services (IIS), Manager.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

2- Under Internet Information Services Manager and expand the GFI Mailessentials (local computer) right click on the SMTP virtual server and then select properties.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

3- Select the Access tab and then click the Relay button under relay restrictions.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

4- Select only the list below and then click the Add button.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

5- Specify the IP Address of the internal mail servers that are allowed to route emails through your mail relay server. Add single computers or groups of computers or Domain and then click ok.

NOTE:

The Domain option adds a processing overhead which will degrade SMTP service performance. this is often thanks to the reverse DNS lookup processes triggered on all IP addresses (within that domain) that attempt to route emails through this relay server.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

6- Click ok.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

7- Select Delivery and then click the Advanced button.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

8- Click check DNS, the domain name is valid and click three-time ok.

SMTP Email Relay Server, How to Secure your SMTP email relay server for GFI MailEssentials.

For more details click here

Jamil Parvez
Jamil Parvezhttps://www.xpertstec.com
Jamil Pervez works as a Network Administrator, based in Kuwait with a Primary focus on Microsoft technologies. Microsoft Certified MCSE, MCTP, MCITP, CCNP, CCIP, CCVP with 20 years of experience in administering Windows Servers, Exchange, VMWare, Veeam B&R, Veritas BackupExec.

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