https://www.circleid.com/blogs/ Postings from on CircleID en Copyright 2026, unless where otherwise noted. 2026-04-30T19:14:00+00:00 https://circleid.com/posts20150128_am_i_safer_within_an_organization_or_by_myself https://circleid.com/posts20150128_am_i_safer_within_an_organization_or_by_myself More...]]> 2026-04-30T12:14:00-07:00 https://circleid.com/postsreview_your_email_forwarding_practices https://circleid.com/postsreview_your_email_forwarding_practices More...]]> 2026-04-30T12:14:00-07:00 https://circleid.com/posts20111227_abuse_reporting_names_vs_numbers https://circleid.com/posts20111227_abuse_reporting_names_vs_numbers More...]]> 2026-04-30T12:14:00-07:00 https://circleid.com/poststurn_the_table_on_content_filtering https://circleid.com/poststurn_the_table_on_content_filtering Paul Graham's Plan for Spam introduced them that way. After several years, we can say that plan doesn't work very well. Email has become much less reliable. One way to recover reliability, at least between trusted parties, is to run filters at the sender's side. Let's look at the diagram in more detail... More...]]> 2026-04-30T12:14:00-07:00 https://circleid.com/postshotmail_running_own_smtp https://circleid.com/postshotmail_running_own_smtp Guidelines, MSN require thorough compliance with IETF standards. However, it seems they have their own interpretation about provisions for Delivery Status Notifications, a.k.a. bounces, that servers must send after they have accepted responsibility for delivering the message... More...]]> 2026-04-30T12:14:00-07:00