ISG News has posted a new item, 'Tightening access control for sending e-mail'
In the past we allowed sending e-mails over the D-PHYS mailserver from
everywhere inside ETH to allow D-PHYS users to send e-mail via VPN or WiFi
without the need to enter a password.
However the amount of misuse of this rule in the form of sending out spam from
compromised machines inside ETH but outside D-PHYS raised significantly in the
last few weeks.
Due to this development, we are forced to restrict password-less sending of
e-mail via the D-PHYS mail server to a few D-PHYS networks and in the future we
might tighten this even more.
For now this means that you will need to authenticate yourself with your D-PHYS
account, when sending e-mail via the D-PHYS mail server from outside D-PHYS.
This includes sending e-mail via the ETH WiFi networks and connections via ETH
VPN. This change is effective immediately.
Please see our documentation about how to send e-mails from outside D-PHYS if
you need help reconfiguring your e-mail client.
You may view the latest post at
https://nic.phys.ethz.ch/news/2013/11/04/tightening-access-control-for-send…
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posted.
Best regards,
Axel Beckert
beckert(a)phys.ethz.ch