BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Indy 10 and Encoding Email Attachments are very slow          BorlandTalk.com Forum Index -> Delphi Internet Winsock View previous topic :: View next topic   Author Message Darryl Strickland Guest Posted: Tue Aug 01, 2006 5:39 am    Post subject: Indy 10 and Encoding Email Attachments are very slow How come encoding email attachments are so SLOW. I can send the same emails with Outlook or Outlook Express and it's instantaneous. Are there is any thing I can do to speed this process up. My users think that the application has hung while it's encoding. Thanks Darryl Back to top Remy Lebeau (TeamB) Guest Posted: Tue Aug 01, 2006 6:31 am    Post subject: Re: Indy 10 and Encoding Email Attachments are very slow "Darryl Strickland" <dstrickland (AT) carolina (DOT) rr.com> wrote in message news:44cea252 (AT) newsgroups (DOT) borland.com... Quote: How come encoding email attachments are so SLOW. I can send the same emails with Outlook or Outlook Express and it's instantaneous. Are there is any thing I can do to speed this process up. My users think that the application has hung while it's encoding. As far as I know, Outlook(Express) encodes the message at the time the user clicks on the "Send" button and then caches the result, so that it can be tranmitted as-is when the socket is established. Sending pre-formatted data is very quick, since there is no processing involved to slow the communication down. Indy, on the other hand, encodes the message data on-the-fly as it is being sent to the socket. The communication may be a little slower, but it takes up much less resources. Gambit Back to top Darryl Strickland Guest Posted: Tue Aug 01, 2006 7:30 am    Post subject: Re: Indy 10 and Encoding Email Attachments are very slow So is there anything I can do to speed this up? Thanks Darryl Remy Lebeau (TeamB) wrote: Quote: "Darryl Strickland" <dstrickland (AT) carolina (DOT) rr.com> wrote in message news:44cea252 (AT) newsgroups (DOT) borland.com... How come encoding email attachments are so SLOW. I can send the same emails with Outlook or Outlook Express and it's instantaneous. Are there is any thing I can do to speed this process up. My users think that the application has hung while it's encoding. As far as I know, Outlook(Express) encodes the message at the time the user clicks on the "Send" button and then caches the result, so that it can be tranmitted as-is when the socket is established. Sending pre-formatted data is very quick, since there is no processing involved to slow the communication down. Indy, on the other hand, encodes the message data on-the-fly as it is being sent to the socket. The communication may be a little slower, but it takes up much less resources. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Tue Aug 01, 2006 8:11 am    Post subject: Re: Indy 10 and Encoding Email Attachments are very slow "Darryl Strickland" <dstrickland (AT) carolina (DOT) rr.com> wrote in message news:44cebc63 (AT) newsgroups (DOT) borland.com... Quote: So is there anything I can do to speed this up? What exactly do you think is taking a long time to execute? Please be more specific. Gambit Back to top Darryl Strickland Guest Posted: Wed Aug 02, 2006 1:36 am    Post subject: Re: Indy 10 and Encoding Email Attachments are very slow It's the encoding of the email attachments. It slow on my dual xeon development pc and on all my clients computers to the point that they think the computer is locked up while encoding the attachment. Thanks Darryl Remy Lebeau (TeamB) wrote: Quote: "Darryl Strickland" <dstrickland (AT) carolina (DOT) rr.com> wrote in message news:44cebc63 (AT) newsgroups (DOT) borland.com... So is there anything I can do to speed this up? What exactly do you think is taking a long time to execute? Please be more specific. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Wed Aug 02, 2006 2:38 am    Post subject: Re: Indy 10 and Encoding Email Attachments are very slow "Darryl Strickland" <dstrickland (AT) carolina (DOT) rr.com> wrote in message news:44cfbaf4$1 (AT) newsgroups (DOT) borland.com... Quote: It's the encoding of the email attachments. It slow on my dual xeon development pc and on all my clients computers to the point that they think the computer is locked up while encoding the attachment. How big are your attachments to begin with? For that matter, the fact that you are using a dual-CPU machine means nothing, since Indy does all of its encoding in the same thread that is sending the message. Is your application multi-threaded at all? Or are you sending the message in the context of the main thread? Obviously, if you are having problems with the UI freezing up during a send, then you should not be sending from the main thread in the first place. 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