[FINISHED] Operation Change for CNS Mail System (March 1)
This work has been completed.
The operation for CNS mail system will be changed as follows in order to reinforce security against spam mails.
1. Date
10am on Monday, 1st March, 2021
2. Target
sfc.keio.ac.jp domain
3. Content
SPF record set value change
4. Detail
[BEFORE] v=spf1 ip4:133.27.0.0/16 ip6:2001:df2:c900::/48 (...) ?all
[AFTER] v=spf1 ip4:133.27.0.0/16 ip6:2001:df2:c900::/48 (...) ~all
5. Note
Please specify the SFC-CNS outgoing mail server when sending emails from senders as email address of sfc.keio.ac.jp domain from outside the university network.
Furthermore, if the setting is correct on sending/receiving from Gmail, there is no problem with the current configuration.
Last-Modified: March 1, 2021
The content ends at this position.