On 6/1/21 11:42 AM, [email protected] wrote:
Hi,

we are running a mailman service along with our mail server and recently we 
have noticed one institution gets lots of bounce messages like below and unable 
to find the route cause. if any inputs really appreciated.  some cases mails 
are partially delivered but not to all members.

Error

    List:       Comphealth_all
    Member:     [email protected]
    Action:     Subscription deaktiviert.
    Reason:     Excessive or fatal bounces.



<[email protected]>: service unavailable. Command output:
    SMTPclient: unexpected reply: 571 571 Sender is not allowed to email this
    distribution list: [email protected]_


It appears that [email protected] is a member of the Comphealth_all list but mail from this list or from the poster of this message is not being accepted for [email protected]. It is up to whoever subscribed [email protected] it the Comphealth_all list to rectify this. In tyhe mean time, delivery to [email protected] from the list is disabled and should remain so.

--
Mark Sapiro <[email protected]>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan
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