Fighting E-mail Forgery

SPF or Sender Policy Framework fights e-mail forgery. It prevents unauthorized people from forging your email address. When you enable SPF, a DNS record is created to define IPs allowed to send mail from your maildomain name. On receiving an e-mail from your maildomain, the correspondent's server checks if the IP address that the e-mail came from is listed in your SPF DNS record. If it is not, the e-mail will be rejected or flagged as suspicious.

E-mails sent to your maildomain will undergo similar checks. Provided SPF in enabled on the sender's maildomain, e-mails coming from the IP that is not listed in the senders SPF DNS record, will be rejected or flagged as suspicious according to your SPF policy configuration

SPF can be enabled / disabled for a mail domain and/or domain aliases with mail service or mail domain alias.

 

 

Enabling SPF

To enable SPF:
 

By domain name:

1.

Go to Mail Info -> Mail Manager

2.

Choose the domain name in the Mail domains drop-down list

3.

Select the ON button in the SPF entry section:
 

 

4.

You will then be taken to configure SPF preferences
 

Configuring SPF Preferences

 

You configure SPF preferences when you enable SPF. Once setup, you can manage the SPF configuration by clicking the Edit icon next in the mail domain/mail domain alias SPF entry:
 

1.


 

2.

You'll be taken to the SPF preferences page:
 

3.

 


Here you set the SPF policies or recommendations on how email received from your maildomain should be treated by the correspondent's mail server. For example, setting SPF the mechanism prefix to fail, you announce that any message received from this domain is a forgery and recommend the corespondent's server to reject it.


By domain alias:

1.

Go to Domain Settings -> Domain Info

2.

Select the domain name.

3.

Select  the Edit icon next to the domain alias

4.

Select the ON button in the SPF entry area (* You cannot enable SPF on domain aliases without mail service or mail domain alias.)

5.

On the page you'll be taken to configure SPF preferences (as shown above)

 

* Alternatively you can enable SPF on all mail domain's aliases with mail service or mail domain alias, by clicking the Add icon below the SPF entry on your mail domain settings page.

 

 

Disabling SPF

By domain name

1.

Go to Mail Info -> Mail Manager.

2.

Select the domain in the Mail domains drop-down list.

3.

Select the OFF button in the SPF entry area. (* Turning SPF OFF on the maildomain does not disable it on it's aliases.)
 

By domain alias

1.

Go toDomain Settings -> Domain Info.

2.

Select the domain name.

3.

Click the Edit icon next to the domain alias.

4.

Select the OFF button in the SPF entry area.

 

* Alternatively you can disable SPF on all mail domain's aliases with mail service or mail domain alias, by clicking the Add icon below the Trash icon below the SPF entry on your mail domain settings page.