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Sender Policy Framework SPF Email Web Hosting Hong Kong

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 IP's allowed to send mail from your mail domain. On receiving an e-mail from your mail domain., correspondent's server checks if the IP address that the e-mail's come from is listed in your SPF DNS record. If it's not, the e-mail will be rejected or flagged as suspicious.

E-mails sent to your mail domain. will undergo similar check-up. Provided SPF in enabled on the sender's mail domain., e-mails coming from the IP that isn't 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 Sender Policy Framework SPF

To enable SPF on:

• domain

  1. Go to Mail Info -> Mail Manager

  2. Choose domain in the Mail domains drop-down list

  3. Turn a button in the SPF's entry to ON:
     

     

  4. On the page you'll be take to configure SPF preferences

  
  

• domain alias

  1. Go to Domain Settings -> Domain Info

  2. Click the domain name.

  3. Click the Edit icon next to the domain alias

  4. Turn a button in the SPF's entry to ON
     * You can't enable SPF on domain aliases without mail service or mail domain alias.
     

  5. On the page you'll be take to configure SPF preferences

  * 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 Sender Policy Framework SPF

To disable SPF on:

• domain

  1. Go to Mail Info -> Mail Manager.

  2. Choose domain in the Mail domains drop-down list.

  3. Turn a button in the SPF's entry to OFF.
     * Turning SPF OFF on the mail domain. doesn't disable it on its aliases.

• domain alias

  1. Go to Domain Settings -> Domain Info.

  2. Click the domain name.

  3. Click the Edit icon next to the domain alias.

  4. Turn a button in the SPF's entry to OFF.

  * 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.

Configuring Sending Policy Framework SPF Preferences

You configure SPF preferences when you enable SPF. Later you can change SPF configuration by clicking the Edit icon next in the mail domain/mail domain alias SPF entry:



You'll be take to SPF preferences page:



Here you choose how incoming e-mails that haven't passed SPF check-up on senders mail server should be marked. This is very helpful when configuring your mail client spam filters.

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