Free SMTP Server Software

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DimPrawn replied

6 October 2011, 07:38
As vetran says, MS IIS SMTP server.

Set the authentication to Windows, and limit the IP address to the sender machine IP address.

No worries about spam relay.
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vetran replied

5 October 2011, 23:07
use IIS smtp.

Lock it down to only receive from one IP address etc (option in config).

use Blat to test and keep it handy in a bat file when you doubt the server is working. Or test via telnet if you have face hair and sandals.
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bobspud replied

2 October 2011, 07:04
Originally posted by Sysman View Post

WSS. I once configured one which came with relay switched on by default. Before I'd waded through enough documentation to find out how to switch it off, someone had found the relay and started using it.

Fortunately I looked at the logs before my ISP noticed, and disabled it at the router until I got the config sorted.

As the others have said. Open, unauthenticated relays are a strict no no. It will get discovered and flooded with traffic from spammers and then your domain/firewall external ip addresses will get blacklisted and your real email will get killed.

You can knock up a fairly stable smtp service using a virtual machine, damn small Linux and a few additional deb packages. You can then configure the server to take the messages but not send them.

Out of interest why are you testing with an unauthenticated server surely in production the server wont be an open relay?
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Sysman replied

29 September 2011, 12:00
Originally posted by stek View Post

Probably not relevant in a sandboxed environment but if it's public facing, a poorly configured SMTP server can be a nightmare, I did one once and unwittingly it was an open relay, ended up with 6 million mis-deliveries, God knows how many went through delivered properly....

Demon warned me....

WSS. I once configured one which came with relay switched on by default. Before I'd waded through enough documentation to find out how to switch it off, someone had found the relay and started using it.

Fortunately I looked at the logs before my ISP noticed, and disabled it at the router until I got the config sorted.
Leave a comment:
Spacecadet replied

29 September 2011, 08:06
Originally posted by NickFitz View Post

Doesn't IIS include an SMTP server? It used to... How to: Install and Configure SMTP Virtual Servers in IIS 6.0

Good point! Thanks Nick, will investigate tonight
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darmstadt replied

29 September 2011, 06:23
We used to use Hamster for quick testing of products that needed to connect to an SMTP server.
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stek replied

29 September 2011, 00:12
Originally posted by NickFitz View Post

Doesn't IIS include an SMTP server? It used to... How to: Install and Configure SMTP Virtual Servers in IIS 6.0

Probably not relevant in a sandboxed environment but if it's public facing, a poorly configured SMTP server can be a nightmare, I did one once and unwittingly it was an open relay, ended up with 6 million mis-deliveries, God knows how many went through delivered properly....

Demon warned me....
Leave a comment:
NickFitz replied

29 September 2011, 00:03
Doesn't IIS include an SMTP server? It used to... How to: Install and Configure SMTP Virtual Servers in IIS 6.0
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Incognito replied

28 September 2011, 23:17
Originally posted by Spacecadet View Post

Have you used these? I was looking for recommendations rather than just google results!

Nope, always used Exhange as the target, they both look simple though.
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stek replied

28 September 2011, 22:36
Originally posted by Spacecadet View Post

Have you used these? I was looking for recommendations rather than just google results!

Sendmail is the unix mta of choice, just about standard on any flavour. It's not for the faint of heart tho, and needs a fair bit of config, the old sendmail.cf which you are not supposed to edit but everyone does. It's free though and there's prolly a windows version too.
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Spacecadet replied

28 September 2011, 21:18
Have you used these? I was looking for recommendations rather than just google results!
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stek replied

28 September 2011, 12:33
Sendmail!
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Incognito replied

28 September 2011, 12:21
https://www.smtp2go.com/signup/

Free trial
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Incognito replied

28 September 2011, 12:18
Originally posted by Spacecadet View Post

As the title says really.

I need recommendations for a SMTP server for testing SMTP connections from SSIS.
Will need to be able to connect using windows or no authentication

TIA

Free SMTP Server
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Spacecadet started a topic Free SMTP Server Software

28 September 2011, 11:38
Free SMTP Server Software

As the title says really.

I need recommendations for a SMTP server for testing SMTP connections from SSIS.
Will need to be able to connect using windows or no authentication

TIA
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