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Recipient address rejected: User unknown in relay recipient table

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On 2/21/2019 at 12:54 PM, petzl said:
On 2/21/2019 at 12:48 PM, MIG said:

The bit I don't understand is why SC parser doesn't also drag up¬†amazonaws?ÔĽŅ

SC just looks at link provided the link in this case is a redirect link with a abuse address that bounces.
Try to be better than SpamCop is you have the time
In the case of porn spammers send to the CERT of that country as well.

To answer this question about link redirection, around two decades ago SC was programmed to never follow links due to the thought that spammers were tracking which links were clicked.  By clicking the link, the spammer will have the IP of your computer along with the the knowledge that the link worked, so they can send more spam.  This is why SpamCop would originally just grab the hostname/IP from the link without following it.

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Posted (edited)
6 hours ago, gnarlymarley said:

To answer this question about link redirection, around two decades ago SC was programmed to never follow links due to the thought that spammers were tracking which links were clicked.  By clicking the link, the spammer will have the IP of your computer along with the the knowledge that the link worked, so they can send more spam.  This is why SpamCop would originally just grab the hostname/IP from the link without following it.

SpamCop in early days had limited band width looking up URL's gave it a hernia, often URL's have no proven connection to spammer!

I use a VPN so my computers IP is unknown, This VPN  also uses "Mace" which "returns IP addresses of unwanted domain names as an address that's not routable on the public internet."

To get other redirects, "MIG" put me on to
https://www.virustotal.com/#/home/url
good enough for me

Edited by petzl

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Posted (edited)
On 3/6/2019 at 9:11 PM, petzl said:

SpamCop in early days had limited band width looking up URL's gave it a hernia, often URL's have no proven connection to spammer!

I use a VPN so my computers IP is unknown, This VPN  also uses "Mace" which "returns IP addresses of unwanted domain names as an address that's not routable on the public internet."

To get other redirects, "MIG" put me on to
https://www.virustotal.com/#/home/url
good enough for me

Is netdaemon really safe? How can i output in txt form when checking redirects?

 

On 2/25/2019 at 10:20 AM, MIG said:

http://www.all-nettools.com/toolbox/url-deobfuscator.php can be handy as well.

Cheers¬†grassūü¶óhopper¬†

 

Quite useless site. Whois function doesn't work for example. There are much better alternatives.

On 3/6/2019 at 9:11 PM, petzl said:

SpamCop in early days had limited band width looking up URL's gave it a hernia, often URL's have no proven connection to spammer!

I use a VPN so my computers IP is unknown, This VPN  also uses "Mace" which "returns IP addresses of unwanted domain names as an address that's not routable on the public internet."

To get other redirects, "MIG" put me on to
https://www.virustotal.com/#/home/url
good enough for me

There are services online that trace the redirect links however often the links themselves have an unique identifier which identify the recipient clicking the link. But since they already have have your e-mail it really doesn't matter. Just make a hell for the spammer.

Edited by klappa

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1 hour ago, klappa said:

Is netdaemon really safe?
How can i output in txt form when checking redirects?

 

Netdemon is really safe for finding IP's and other info
A better way to check out URL''s suggested by "MIG"
https://www.virustotal.com/#/home/url

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Posted (edited)

I use (since recently because it handles https as well) https://www.webconfs.com/http-header-check.php for redirects...

Used to use Sam Spade, but sadly, it doesn't handle https :(

well, still use Sam Spade for other stuff, but just like NetDemon, it's not maintained anymore...

Edited by RobiBue

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On 3/8/2019 at 10:38 PM, petzl said:

Netdemon is really safe for finding IP's and other info
A better way to check out URL''s suggested by "MIG"
https://www.virustotal.com/#/home/url

But it doesn't follow redirects?

14 hours ago, RobiBue said:

I use (since recently because it handles https as well) https://www.webconfs.com/http-header-check.php for redirects...

Used to use Sam Spade, but sadly, it doesn't handle https :(

well, still use Sam Spade for other stuff, but just like NetDemon, it's not maintained anymore...

It is trying to load some unknown scripts. Can't be safe?

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15 minutes ago, klappa said:
On 3/9/2019 at 8:38 AM, petzl said:

Netdemon is really safe for finding IP's and other info
A better way to check out URL''s suggested by "MIG"
https://www.virustotal.com/#/home/url

But it doesn't follow redirects?

But it tells you if site is safe.  
https://www.webconfs.com/http-header-check.php
Does not always give redirects either

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