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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Indy uses blocking sockets – if it didn’t, it wouldn’t be as easy to work with. The down side is that if you call into an Indy client from the main thread of your app, then that main thread blocks until the Indy call completes. In a GUI app that means no message processing and therefore an apparent “freeze”.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>One solution is to make all your Indy calls on a background thread. But if putting your Indy calls into a worker thread is too complex/not practical in your case, then you might have some luck with the “AntiFreeze” component of Indy itself:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><a href="http://www.indyproject.org/docsite/html/frames.html?frmname=topic&frmfile=index.html">http://www.indyproject.org/docsite/html/frames.html?frmname=topic&frmfile=index.html</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>NOTE: I do all my Indy work in threads so have no direct experience of using AntiFreeze, I just knew it existed.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I hope it helps. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> delphi-bounces@delphi.org.nz [mailto:delphi-bounces@delphi.org.nz] <b>On Behalf Of </b>Jeremy Coulter<br><b>Sent:</b> Tuesday, 12 July 2011 14:36<br><b>To:</b> NZ Borland Developers Group - Delphi List<br><b>Subject:</b> Re: [DUG] Email/SMTP code<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Indy works, but I hate the way it hold up your app. while it sends the emails !<br>I dont know what it is, I have asked question, researched, all sorts of things, but indy sending emails in apps, especially if are trying to do it as a sperate task to the main running task AND in a thread, it still "appears" to lock the app. up until its sent the email or timed out...grrr<br>I have ditched it now...almost....<br><br>Jeremy<o:p></o:p></p><div><p class=MsoNormal>On Tue, Jul 12, 2011 at 2:05 PM, Stefan Mueller <<a href="mailto:muellers@orcl-toolbox.com">muellers@orcl-toolbox.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>Most ISP’s nowadays block traffic on port-25 (except to their own mail servers). </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>Helps with infected zombie computers that send out tons of SPAM mails. </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.0pt;color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.0pt;color:navy'><br></span><span lang=EN-US style='font-size:10.0pt;color:black'>Regards,<br>Stefan</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.0pt;color:navy'> </span><span lang=EN-US><o:p></o:p></span></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.0pt;color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt'>From:</span></b><span lang=EN-US style='font-size:10.0pt'> <a href="mailto:delphi-bounces@delphi.org.nz" target="_blank">delphi-bounces@delphi.org.nz</a> [mailto:<a href="mailto:delphi-bounces@delphi.org.nz" target="_blank">delphi-bounces@delphi.org.nz</a>] <b>On Behalf Of </b>John Bird<br><b>Sent:</b> Tuesday, July 12, 2011 10:47 AM</span><span lang=EN-US><o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><br><b>To:</b> NZ Borland Developers Group - Delphi List<br><b>Subject:</b> [DUG] Email/SMTP code<o:p></o:p></span></p></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>Anyone got a recommendation for the best (free) code/samples to drive Indy10 for sending an email with attachment</span><span lang=EN-US><o:p></o:p></span></p></div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>-Indy10.2.3</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>-Send attachment</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>-SMTP server and email addresses will be known</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>I have tried a couple (eg AtoZed SendMail example) but it seems to time out connecting to the SMTP </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'>John</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;color:black'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div></div></div></div></div><p class=MsoNormal><br>_______________________________________________<br>NZ Borland Developers Group - Delphi mailing list<br>Post: <a href="mailto:delphi@delphi.org.nz">delphi@delphi.org.nz</a><br>Admin: <a href="http://delphi.org.nz/mailman/listinfo/delphi" target="_blank">http://delphi.org.nz/mailman/listinfo/delphi</a><br>Unsubscribe: send an email to <a href="mailto:delphi-request@delphi.org.nz">delphi-request@delphi.org.nz</a> with Subject: unsubscribe<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>