Implement buffer management for SMTP outgoing mails

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Implement SMTP bufferisation for outgoing mail in case of huge distribution list

yes
16
76%
no
5
24%
 
Total votes: 21

Thomas Parvais
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Implement buffer management for SMTP outgoing mails

Post by Thomas Parvais » 2007-10-03 12:53

Hello,

I've a distribution list wih 9000 members (opt-in). I've noticed that many of recipients won't receive the newsletter because their SMTP server refuses a big number of emails coming from same domain. They consider me as a spammer...
"SMTPC" 2772 51809 "2007-10-02 14:09:00.765" "217.64.245.9" "RECEIVED: 250 ok"
"SMTPC" 2772 51809 "2007-10-02 14:09:00.765" "217.64.245.9" "SENT: RCPT TO:<xxxx@advalvas.be>"
"SMTPC" 2788 51809 "2007-10-02 14:09:00.781" "217.64.245.9" "RECEIVED: 553 sorry, too many recipients (#5.7.1)"
in this example; advalvas.be accepts 10 first email in the first second and then blocks all the others.

Same behaviour with yahoo, skynet,hotmail...

How can I configure Hmailserver to send the newsletter in batch, example, 100 mails/minute with pause?

This seems to be impossible now.

This will be very useful to be implemented, perhaps not complex.

I see two parameters:
1. number of mail in one batch
2. delay in seconds between sending batch

Another thing to check is to avoid to sort recipient addresses by domain before sending mails in the engine

Thank you

Thomas
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Thomas Parvais
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Re: Implement buffer management for SMTP outgoing mails

Post by Thomas Parvais » 2008-10-07 12:01

not soo much vote.... I don't think I'll see one day this feature of queue mgnt/throteling in Hmailserver :-)
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mbach
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Re: Implement buffer management for SMTP outgoing mails

Post by mbach » 2008-10-24 16:07

Maybe there could also be a feature for delaying an outgoing message?
Is this an implemented feature of SMTP, e.g. sending a message by an email client with predefined date and time?
So the client could send a delayed message and the server would care of date and time of sending this message by smtp?

Cheers, Markus

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