user@uwaterloo.ca email bounced on one node (<5% of email)

Service

Mail services

Type

Incident

Description

One of the six nodes had lookup issues in the above period impacting 4,500 email messages (about 4.5% of messages in the period).
In all cases the sender was notified that the message did not go through and to resend.

The response would be
to=, reject=550 5.1.1 User unknown

Start time

Wednesday, July 3, 2019 11:00 AM

End time

Wednesday, July 3, 2019 1:20 PM

Notice submitted

Thursday, July 4, 2019 12:06 PM