[DUG] Problems with TIdsmtp

[Dennis Chuah]

Indy is a commonly used component used to write SPAM server.  All you need 
to do is change the default agent string to something else.

----- Original Message ----- 
From: "Alister Christie" <alister at SalesPartner.co.nz>
To: "NZ Borland Developers Group - Delphi List" <delphi at ns3.123.co.nz>
Sent: Wednesday, February 22, 2006 10:55 AM
Subject: [DUG] Problems with TIdsmtp


> I've been having problems with xtras smtp servers.  We have an application 
> that sends out emails to large numbers of people (up to thousands) via 
> BCC.  The problem occurs when sending email via xtras smtp servers, as 
> they reject any recipient (indy raises an exception) that is not a valid 
> xtra customer (NotAValidXtraCustomer at xtra.co.nz for instance).  This 
> wasn't a problem when using indy 9 as I would just remove the person from 
> the BCC list and resend the email - nice and transparant to the user. 
> However since upgrading to indy 10, it has started sending blank emails to 
> every recipient up to the invalid one.
>
> Has anyone else seen this problem?
>
> I have a number of solutions:
> 1) Go back to indy 9 - I'd rather not do this as I upgraded to indy 10 to 
> solve a different problem (although this one is much bigger).
> 2) Send a seperate email to each person in the BCC list (this could be 
> slow if sending to 500 people - although I already have to break up the 
> email anyway as xtra have a limit of 100 recipients and paradise have a 
> limit of 50)
>
> Any Ideas or Suggestions?
>
>
> -- 
> Alister Christie
> Computers for People
> Ph: 04 471 1849 Fax: 04 471 1266
> http://www.salespartner.co.nz
> PO Box 13085
> Johnsonville
> Wellington
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