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The SURFmailfilter checks all incoming mail for the domain. The filter settings for incoming mail can be modified per user.

May 2014: the SURFmailfilter checks all outgoing mail as well. This is to prevent abuse of Nikhef accounts for sending massive spam mail to the internet (more info).

Modify filter settings for incoming mail

The filter configuration can be modified per user via a web interface. The filter itself is maintained by SURFnet and is used by other SURFnet members as well. The filter is complex and very effective.

The end-user can select one out of three predefined filters: default, mild and aggressive.

The recommended filter is the default one. The spam score of this filter is 5, the autoreject score is 10:

  • mails are marked as spam between 5 and 10 are sent to your inbox
  • mails marked more than 10 will be rejected by the filter.

You might want to add or delete addresses, domains or IP ranges to the black- and whitelist of this filter. Warning: do not use the filter in the webmail for this purpose.

Perform the following steps to login to the filter:

  • Go to the login page.
  • Do NOT use the Please Login box (for domain adminstrators only), INSTEAD go to Log in using SURFfederatie.
  • Select 'Nikhef' and login with your standard Nikhef user name and password.

Useful links: