On March 18 (Wed), 2015 at 9:00 am, ACCC will limit the possible destinations of relay mails via the receiving gateway, i.e. “smtpgwin.cc.tsukuba.ac.jp” (hereinafter referred to as “smtpgwin”) to university addresses (such as those with “tsukuba.ac.jp” or those approved by … Continue reading Mail Relay Limtations on the Inbound (Receiving ) E-mail Gateway