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497 posts

Ultimate Geek
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Topic # 182585 22-Oct-2015 11:50
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General query really to confirm info i have been given.

I have some alarm equipment that uses port 25 BUT its uses the RECIPIANT address as the FROM address and i have been lead to belive that you can add that FROM address somewhere and class it as a VALID address.

the back story i have an alarm that will do e-mail as a back up monitoring info. and from what i can guess email is being bounced as its being SENT from an UNKNOWN address.
hoping someone may have a url that i haven't found.






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Spark NZ

  Reply # 1411112 22-Oct-2015 13:37
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I'm not an email expert here - I'm a network chap, but off the top of my head this is my understanding:
1) The send.xtra.co.nz server does not support SMTP/25.
2) Our port 25 blocking would not allow you to connect to that server on that port anyway.

send.xtra.co.nz to best of my knowledge only supports SMTP/465 (with SSL) (use authentication).




My views are my own, and may not necessarily represent those of my employer.



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  Reply # 1411131 22-Oct-2015 13:59
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Is there a port that isn't SSL as this device is basic and don't support ssl





 
 
 
 


Banana?
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  Reply # 1411141 22-Oct-2015 14:14
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You are a Spark customer?

If so, you may be out of luck. Most other ISPs still have port25 email servers. I think Spark shut down smtp.xtra.co.nz (that used to be the Port25 one).

All ISPs will only let you use their SMT servers if you are on their network, so no point using (say) Vodafone's one if you are not a Vodafone customer.

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Spark NZ

  Reply # 1411150 22-Oct-2015 14:25
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Given there is no longer an smtp.xtra.co.nz which did insecure port 25, and send.xtra.co.nz only supports SSL I don't believe there is a Spark server that will meet your needs.
You could use another RSP's SMTP server if they allow a connection from Spark IP addresses (many RSPs lock this down so you cannot) and you request we unblock port 25 on your connection. 
I'm sure there will be others on here who have also had similar issues, and it would be interesting to know how they approached this issue.  I was speaking to a past colleague here who had a similar issue about a year ago. I just can't remember what he did - whether there was an upgraded firmware for his device to support SSL, or whether he bought a different device, or whether he managed to find an open SMTP server he could leverage .... 

Have a look here to see if you might not be able to utilise google:
https://support.google.com/a/answer/176600?hl=en

As I've said above, if you need to us an external SMTP server you'll need to get us to turn port 25 filter off on your line.  Request that via this page:
http://www.spark.co.nz/help/internet-email/plans-services/port-25.html




My views are my own, and may not necessarily represent those of my employer.

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  Reply # 1411157 22-Oct-2015 14:33
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You may be able to use SMTP2GO.com.  The free account should do the trick, it lets you send 20 emails per day.

I've used this several times for multifunction copiers that don't support SSL/TLS and need to scan to e-mail.

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  Reply # 1411168 22-Oct-2015 14:48
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This may be out of date info, but there was a setting in xtra webmail as part of yahoo, that allowed you to specify other email address' to send as, which would trigger an verification email...

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  Reply # 1411173 22-Oct-2015 14:56
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Dairyxox: This may be out of date info, but there was a setting in xtra webmail as part of yahoo, that allowed you to specify other email address' to send as, which would trigger an verification email...


That was to allow non ".xtra.co.nz" email addresses when you were connected vis Spark, but it still required an SSL port connection, not an oldschool port 25 one..

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  Reply # 1411186 22-Oct-2015 15:32
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Yes true, but there was also a form you could fill out to request direct port 25 usage too, combined with this, should let the OP do what he wants? Maybe.

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  Reply # 1411207 22-Oct-2015 15:59
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Port 25 unblock was only to allow you to access other mail servers on port 25.

Basically this device is not equiped to operate on the internet as the move to ssl has happened (or is still happening for some slow mail providers) - best bet is to run an inhouse mail server since you shouldnt really be sending your authentication details out onto the internet in the clear on port 25.

I recall when this came up in the past someone had some windows software that added SSL and presented a local port that things could use and then send that out on the internet. Alternativly you could run your own mail server on something gutless like a raspberry pi in house. As you are not exposing it to the internet it could have port 25 open for whatever on the lan to connect to and then relay it out.




Richard rich.ms

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  Reply # 1411257 22-Oct-2015 17:26
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Get a Raspberry Pi, and then you can do SMTP forwarding with that. It would probably nicely fit in the alarm box too or plug in right next to the router.

http://iqjar.com/jar/sending-emails-from-the-raspberry-pi/





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  Reply # 1411263 22-Oct-2015 17:47
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Yeah i have posted how to do this in the past using some software running on a windows computer which runs an smtp server - it accepts the incoming message from another computer or device on the LAN, wraps it in some SSL, adds some logon info and then pushes it out to a proper smtp server.

Cant remember the name of the software but I have used it heaps for spark customers with exchange 2003. google my post history.

Otherwise you need to talk to your email provider and ask them if they allow incoming connections on port 25 to their smtp server, then ask spark to unblock port 25.

Have you got a screen shot of the settings of the alarm programming interface?
For supposedly secure design systems, i am hearing stories about how insecure they are.. been dealing with one local company that uses some monitoring software in their control office and it runs on port 5000 - a known uPNP vunerability.




Ray Taylor
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For my general guide to extending your wireless network Click Here






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  Reply # 1411359 22-Oct-2015 19:57
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Dairyxox: This may be out of date info, but there was a setting in xtra webmail as part of yahoo, that allowed you to specify other email address' to send as, which would trigger an verification email...


This sounds like the info is was lead to believe was a Feature of the webmail service, hoping it can be applied to SSL traffic.








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  Reply # 1411360 22-Oct-2015 19:59
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trig42: You are a Spark customer?

If so, you may be out of luck. Most other ISPs still have port25 email servers. I think Spark shut down smtp.xtra.co.nz (that used to be the Port25 one).

All ISPs will only let you use their SMT servers if you are on their network, so no point using (say) Vodafone's one if you are not a Vodafone customer.


I Personally am not a customer of Spark/Xtra but my client is.







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  Reply # 1411366 22-Oct-2015 20:09
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i have since found out the piece of alarm equipment is capable of doing SSL, so the inquiry of sending email via port 25 i guess is now void, until i can bench test this module with ssl, and having to also add the extra email addressed to the white list via the webmail interface may have found the solution to the problem.

I would like to thank all the above people for there input and offered solutions it was much appreacited, ill update this outcome after bench testing.





xor

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  Reply # 1414091 26-Oct-2015 19:46
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I don't believe there is a Spark server that will meet your needs.

There is one but I haven't seen it advertised anywhere so I'm going to assume they don't want everyone to know about it.

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