Re: [Exim] Callout results in "421 VS14-RT5 Mailbox bounce arrival rate..."

Autor: Suresh Ramasubramanian
Data:
Para: Alan J. Flavell
CC: Exim users list
Assunto: Re: [Exim] Callout results in "421 VS14-RT5 Mailbox bounce arrival rate..."

Alan J. Flavell wrote:

>
> Occasionally, an attempt to verify a sender address (e.g at yahoo.com)
> via callout produces a response:
>
> 421 VS14-RT5 Mailbox bounce arrival rate exceeds system limit (#4.2.2)

the number of bounces arriving in a fixed time interval to that mailbox
trips a limit that yahoo has in place.

two probablities - spamrun, or a virus forging the yahoo mailbox in its
envelope

srs

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Re: [Exim] Callout results in "421 VS14-RT5 Mailbox bounce a…