Posts tagged 'Mail'

Event

ARPA2 All Hands - October 2018

We are organising the third ARPA2 All Hands meeting! This is scheduled to take place in Utrecht, the Netherlands on October 9th 2018. Thanks to SURFnet for kindly providing the venue for this event.

>> Continue reading <<

Hosting

Spam Filtering: Balancing the Odds

Mail was designed as a gullable system, and this is generally abused by spammers. Fighting spam is a balancing act between failures to accept and reject. With the more refined identity model of the IdentityHub, we have new tools to strike a better balance.

>> Continue reading <<

architecture

Mail Routing 3: Doing DKIM Perfectly

DKIM is the technology that signs a message and some of its headers at a mail server en route; mostly this is done by the originator of the email. One problem remains that slows down its introduction as a hard filter, and that is email handling that edits the message and then forwards it, as is common for email lists. This article nails the integration of DKIM with forwarding.

>> Continue reading <<

architecture

Mail Routing 2: Doing SPF Perfectly

SPF is the technology that assures that mail only arrives from authentic senders. One problem remains that slows down its introduction as a hard filter, and that is email forwarding. This article nails the integration of SPF with forwarding.

>> Continue reading <<

Hosting

Mail Routing 1: Doing it Well and Not-So-Well

Mail is severely hampered by spam, as we all know. Interestingly, some spam prevention tactics are applied so softly that they work against a reliable mail system. Here is a tale from the crypt.

>> Continue reading <<