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From: Brad Stiritz on 25 Mar 2010 11:30
Hey everyone,

Back in R2009a, I configured sendmail successfully within Matlab via the Mathworks Tech. Solution 1-3PRRDV ("How do I use SENDMAIL to send email from MATLAB 7.2 (R2006a) via the GMail server?"). I've been successfully sending messages to my gmail account, but this morning I started getting unexpected errors for the first time:

>> sendmail('myaddress(a)gmail.com','Thursday Morning Test','Body Text');
??? Error using ==> sendmail at 168
Could not connect to SMTP host: smtp.gmail.com, port: 25;
Connection timed out: connect

I checked my Gmail history, it looks like the last sendmail command was executed a couple of weeks ago. Since then, obviously there could have been some program / system changes. But I don't see any Windows Updates applied since then, except for an Internet Explorer 8 Compatibility View List update.

Here's what I've done to try to resolve the sendmail problem:

I checked the Windows Firewall & confirmed that Matlab 2010a is permitted to access all ports.

I shut down Webroot SpySweeper / AntiVirus.

I shut down Jungle Disk Workstation.

I closed and restarted Matlab 2010a

....

Even after all these steps, I continue getting the SMTP host connection time-out error.

Any suggestions greatly appreciated,

Thanks,
Brad
From: us on 25 Mar 2010 14:18
"Brad Stiritz" <sorry.no.contact(a)info.net> wrote in message <hofvib$ksa$1(a)fred.mathworks.com>...
> Hey everyone,
>
> Back in R2009a, I configured sendmail successfully within Matlab via the Mathworks Tech. Solution 1-3PRRDV ("How do I use SENDMAIL to send email from MATLAB 7.2 (R2006a) via the GMail server?"). I've been successfully sending messages to my gmail account, but this morning I started getting unexpected errors for the first time:
>
> >> sendmail('myaddress(a)gmail.com','Thursday Morning Test','Body Text');
> ??? Error using ==> sendmail at 168
> Could not connect to SMTP host: smtp.gmail.com, port: 25;
> Connection timed out: connect
>
> I checked my Gmail history, it looks like the last sendmail command was executed a couple of weeks ago. Since then, obviously there could have been some program / system changes. But I don't see any Windows Updates applied since then, except for an Internet Explorer 8 Compatibility View List update.
>
> Here's what I've done to try to resolve the sendmail problem:
>
> I checked the Windows Firewall & confirmed that Matlab 2010a is permitted to access all ports.
>
> I shut down Webroot SpySweeper / AntiVirus.
>
> I shut down Jungle Disk Workstation.
>
> I closed and restarted Matlab 2010a
>
> ...
>
> Even after all these steps, I continue getting the SMTP host connection time-out error.
>
> Any suggestions greatly appreciated,
>
> Thanks,
> Brad

this solution, which i proposed still works...
note: the port is 465...

http://www.mathworks.com/matlabcentral/newsreader/view_thread/254080#658549

us
From: Brad Stiritz on 25 Mar 2010 15:18
Hi "us",

Thank you so much for referring me to your previously posted solution to my sendmail problem. I executed your .NET-interface-based code in R2010a and unfortunately received an error message:

>> mySmtpClient.Send(myMail)
??? Message: The SMTP server requires a secure connection or the client was
not authenticated. The server response was: 5.7.0 Must issue a STARTTLS
command first. 22sm55690iwn.4
Source: System
HelpLink:

Any further suggestions appreciated,
Thanks,
Brad

>
> this solution, which i proposed still works...
> note: the port is 465...
>
> http://www.mathworks.com/matlabcentral/newsreader/view_thread/254080#658549
>
> us
From: us on 25 Mar 2010 15:28
"Brad Stiritz" <sorry.no.contact(a)info.net> wrote in message <hogctd$f91$1(a)fred.mathworks.com>...
> Hi "us",
>
> Thank you so much for referring me to your previously posted solution to my sendmail problem. I executed your .NET-interface-based code in R2010a and unfortunately received an error message:
>
> >> mySmtpClient.Send(myMail)
> ??? Message: The SMTP server requires a secure connection or the client was
> not authenticated. The server response was: 5.7.0 Must issue a STARTTLS
> command first. 22sm55690iwn.4
> Source: System
> HelpLink:
>
> Any further suggestions appreciated,
> Thanks,
> Brad

but - the code is NOT .net based - it's java...

did you use this very syntax(?)...

props=java.lang.System.getProperties;
% which does NOT use .net's SYSTEM...

again, we're living behind several firewalls and it works perfectly well...

us
From: Brad Stiritz on 25 Mar 2010 15:50
Hi again,

I added a line of port-initialization to your code, which resolved the authentication issue. You may want to consider editing your reference posting to include the line:

mySmtpClient.Port = 465;

Unfortunately, in my case something weird must be going on at the system level. I'm now getting this error:

>> mySmtpClient.Send(myMail)
??? Message: Failure sending mail.
Source: System
HelpLink:

Any suggestions appreciated,
Thanks,
Brad

"Brad Stiritz" <sorry.no.contact(a)info.net> wrote in message <hogctd$f91$1(a)fred.mathworks.com>...
> Hi "us",
>
> Thank you so much for referring me to your previously posted solution to my sendmail problem. I executed your .NET-interface-based code in R2010a and unfortunately received an error message:
>
> >> mySmtpClient.Send(myMail)
> ??? Message: The SMTP server requires a secure connection or the client was
> not authenticated. The server response was: 5.7.0 Must issue a STARTTLS
> command first. 22sm55690iwn.4
> Source: System
> HelpLink:
>
> Any further suggestions appreciated,
> Thanks,
> Brad
>
> >
> > this solution, which i proposed still works...
> > note: the port is 465...
> >
> > http://www.mathworks.com/matlabcentral/newsreader/view_thread/254080#658549
> >
> > us
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