Re: [exim] How to limit too many recipients from mailing lis…

On 16.02.2015 15:12, Sujit Acharyya-choudhury wrote:

I have something like this:

domainlist throttled_domains = yahoo.com : yahoo.co.uk : yahoo.ca :
yahoo.es yahoo.it : yahoo.ro

# This router limits the messages per outbound SMTP conenction:
# Place it BEFORE other regular dnslookup routers

throttled_out:
driver = dnslookup
domains = +throttled_domains
transport = dkim_smtp_throttled
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
no_more

# Place something like this in transports:
dkim_smtp_throttled:
driver = smtp
max_rcpt =9
connection_max_messages = 5
[ rest of options]

>
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> We want to ensure that when sending a message to a mailing list, we
> don't send messages to too many recipients as Yahoo, AOL usually will
> block our gateway as a result. The best way is to split the message so
> that the number of recipient are within a limit of say 100 max. What is
> the best way of achieving this. Usually, people send it to a list and
> there is no way of knowing how many recipients there are in a particular
> list, as some list will contain 1000 users and some may be 50.
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> We have set max_rcpt=30, but I have a feeling that, the message_id
> remains the same for all the deliveries and as such Yahoo/AOL will go by
> message_id and max_rcpt will have no effect.
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> Regards
>
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>
> Sujit Choudhury | IT Services
>
> Birkbeck, University of London
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