Dave,
Also on the topic of bouncing, we transferred 1100 members. At first
we had about 65 bouncing addresses on groups.io.
Those were likely addresses that had been bad for some time, but which Y!Group's mechanism failed to change to Bouncing status.
In the 3 weeks since we transferred, the list is up to 110.
The later bouncers are likely Yahoo Mail users being affected by the current rash of apparent glitches in Yahoo Mail (wrongly rejecting messages because it temporarily thinks "This user doesn't have a yahoo.com account").
Shal
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