The *foundation* of the Internet? Oh, you mean where the DoD created a fault-tolerant computer network that could continue to communicate after a nuclear attack?
You lost me. How are ARPAnet and spam related again?
GE will try to keep its revenue up by downplaying the usefulness of LEDs, promoting its bulbs as a more long-lasting and dependable resource used for decades.
You win the award for Most Clueless Asshat for 4/16/2005.
Do you think lightbulbs sales really concern Jeff Immelt?
They also wear gloves which suprisingly does wonders to cut down on germ transfer.
Why do you think the staff wears gloves? To protect themselves and other patients from "germ transfer". Therefore, if you see gloves on someone's hands, assume the gloves are dirty (unless you just saw the person put on a clean pair). The gloves are not there to protect you (or the keyboard). The gloves are there to protect the healthcare worker.
I used to work in an I.T. dept that supported a medical lab environment. Those folks worked with their gloves on all-day. Unfortunately, it meant that they touched the keyboards and phones with their gloves on. It gave me a creepy-crawly feeling when I had to go into the lab to work on something that required touching the keyboard or using the phone.
I was thinking of the case where the forward and reverse DNS lookups do not match. I wasn't focused on the HELO conversation.
I have seen cases where the receiving mail server does a reverse lookup on the IP address that is connecting to it (which yields the PTR record), and then does a forward lookup on the FQDN it just got from the reverse lookup. The IP address that is returned has to match the IP off the sender or the whole thing gets called off.
Something like this:
"Oh, the mail server at 12.34.56.789 is trying to connect to me to deliver an email. I will do a reverse lookup on his IP.
The FQDN for 12.34.56.789 comes back as 'mailhost.example.com'. Now I'll do a forward lookup on 'mailhost.example.com'.
Oh, that comes back as '12.34.56.789'? That matches what I started with so it's okay to continue talking with this remote system."
In this case, not having DNS set correctly will prove to be a primitive anti-spam measure which is hard for spammers to work around.
"If citizens of 'terrorist' countries don't want to be bombed, they can just move".
I prefer this:
"If citizens of terrorist countries don't want to be bombed, they can put pressure on their local government to eradicate the terrorists."
Oh, wait, that sounds just like the customers of an ISP putting pressure on the ISP to not host spammers....:^)
How do you find a way find a way around the forward/reverse DNS lookups not matching? If you've got a way to do this, I'd like to hear about it.
If your email was being denied because your forward and reverse records did not match, then your mail server and/or DNS were not configured correctly. The onus is on *you* to do things the right way. The guy on the other end of the wire was doing his best to protect *his* mail server.
There should be some kind of standardization as to why IP ranges are blacklisted.
Maybe I'm missing something in the discussion today. How much is everyone paying to access the various RBLs?
It is my understanding that these lists are FREE, FREE, FREE. You configure your email server to utilize an RBL service if you feel like it.
Since the people who maintain the various RBLs are doing it "out of the goodness in their heart" and not because someone is paying them, the owners of the RBLs can do whatever the hell they feel like.
On a related note: Does anyone have comments (both good/bad) on Kelkea?
How can you sue the maintainers of the RBL? They didn't block any email messages.
They run a small server which has a file with IP addreses in it (oversimplying a bit). If you (as a mail admin) decide to configure your mail server to access that file and block email based on the *suggestions* in that file, then the responsibility is on the shoulders of the mail admin.
It'd be like me wearing a t-shirt saying "Don't shop at Walmart. I don't like how they treat their employees". You see my t-shirt and then you decided whether or not to shop at Walmart. I am not standing in front of the doors at Walmart physcially blocking you from gaining entry to the store.
our only alternative is to educate the ISPs to not use their services. Openly boycot any ISP who subscribes to the MAPS,
It's not the ISPs you have to worry about. It's the email admins at companys around the globe who subscribe to the RBLs.
If your email doesn't get delivered to company XYZ.com because the email admin at XYZ.com decided to implement an anti-spam policy that makes use of RBLs, it has nothing to do with your "boycot" of ISPs who use RBLs.
I read your post a couple of times to be sure what you are saying. You are complaining that you are listed on a RBL yet you admit that your customers are a source of spam?
If you have customer that are the *source* of spam email, then yes, you should be RBL'ed.
Get your shit together and then you won't have to worry about being on an RBL.
When you say "our customers", have you thought of contacting them to offer consulting services to tighten-down their security?
Spam is coming from *your* network. You deserve to be on the RBL, Mr. Sr. Network Eng.
Slashdot Mirror
That goes against the foundation of the internet
The *foundation* of the Internet? Oh, you mean where the DoD created a fault-tolerant computer network that could continue to communicate after a nuclear attack?
You lost me. How are ARPAnet and spam related again?
with over a million SMTP sessions a minute
;^)
So I take it that even though your Barracuda (http://www.barracudanetworks.com/) is liquid-coooled, it still glows a dull red?
a lot more pleasant place to work.
0 /
I think that you'll find this item will be much cheaper to implement than buying new PCs for everyone:
http://www.thinkgeek.com/cubegoodies/stickers/319
Something like this....?? http://www.wyse.com/products/winterm/index.htm
I was able to fit 32GB into one of these babies:
0 /index.html
:^)
:^)
http://h18002.www1.hp.com/alphaserver/archive/es4
It ran very well with that much RAM.
Just don't try to load Windoze on it.
GE will try to keep its revenue up by downplaying the usefulness of LEDs, promoting its bulbs as a more long-lasting and dependable resource used for decades.
m t m
You win the award for Most Clueless Asshat for 4/16/2005.
Do you think lightbulbs sales really concern Jeff Immelt?
Yeah, GE has a reputation for relying on "legacy" technology and standing in the way of technical advances. We'll ignore the following products lines:
http://www.gehealthcare.com/usen/index.html
http://www.ge.com/en/product/business/aviation.ht
http://www.ge.com/en/product/business/transport.h
and the list goes on....
You, sir, are a retard. Did you think that GE's net income of $4.04 BILLION is composed mainly of lightbulb sales?
...you do not talk about Internet2.
:^)
Second rule of Internet2:
you DO NOT talk about Internet2.
They also wear gloves which suprisingly does wonders to cut down on germ transfer.
Why do you think the staff wears gloves? To protect themselves and other patients from "germ transfer". Therefore, if you see gloves on someone's hands, assume the gloves are dirty (unless you just saw the person put on a clean pair). The gloves are not there to protect you (or the keyboard). The gloves are there to protect the healthcare worker.
I used to work in an I.T. dept that supported a medical lab environment. Those folks worked with their gloves on all-day. Unfortunately, it meant that they touched the keyboards and phones with their gloves on. It gave me a creepy-crawly feeling when I had to go into the lab to work on something that required touching the keyboard or using the phone.
-s
Call your old friend "Nomad".
:^)
"STER-I-LIZE!"
"Quick Scotty, the anti-gravs!"
+1, Old School Star Trek Reference
what's with the US infatuation with $1 bills?
:^)
Two words: tittie bar
Australia doesn't have any notes for anything less then $5
:^)
Nothing smaller than a fin? What do you take when you go to the tittie bar?
Tipping strippers with fives would quickly put me in the poorhouse.
I was thinking of the case where the forward and reverse DNS lookups do not match. I wasn't focused on the HELO conversation.
I have seen cases where the receiving mail server does a reverse lookup on the IP address that is connecting to it (which yields the PTR record), and then does a forward lookup on the FQDN it just got from the reverse lookup. The IP address that is returned has to match the IP off the sender or the whole thing gets called off.
Something like this:
"Oh, the mail server at 12.34.56.789 is trying to connect to me to deliver an email. I will do a reverse lookup on his IP.
The FQDN for 12.34.56.789 comes back as 'mailhost.example.com'. Now I'll do a forward lookup on 'mailhost.example.com'.
Oh, that comes back as '12.34.56.789'? That matches what I started with so it's okay to continue talking with this remote system."
In this case, not having DNS set correctly will prove to be a primitive anti-spam measure which is hard for spammers to work around.
And then there the heinous practice of automatically black Listing dynamically-assigned/dial-up/DSL IP addresses.
Your mailserver is behind a dynamically-assigned address? Good luck with that.
RBL:
http://www.webopedia.com/TERM/R/RBL.html
MAPS:
http://www.mail-abuse.com/
And, last but not least:
http://justfuckinggoogleit.com/
"If citizens of 'terrorist' countries don't want to be bombed, they can just move".
I prefer this:
"If citizens of terrorist countries don't want to be bombed, they can put pressure on their local government to eradicate the terrorists."
Oh, wait, that sounds just like the customers of an ISP putting pressure on the ISP to not host spammers....:^)
Thank you.
If I had mod points, your message would get all of them.
Nice pizza place you got here. Give us 250 clams and we will refrain from blocking your doorway, preventing customers from coming in.
:^)
No, no, no! The RBL is not "standing in the doorway."
The RBL is standing on the sidewalk near the curb with a sign saying "I wouldn't eat at that pizza joint if i was you."
Get the analogy straight.
Now, asking for money to take the protest sign and go away, that takes some bawls.
spammers will find a way around it?
How do you find a way find a way around the forward/reverse DNS lookups not matching? If you've got a way to do this, I'd like to hear about it.
If your email was being denied because your forward and reverse records did not match, then your mail server and/or DNS were not configured correctly. The onus is on *you* to do things the right way. The guy on the other end of the wire was doing his best to protect *his* mail server.
There should be some kind of standardization as to why IP ranges are blacklisted.
Maybe I'm missing something in the discussion today. How much is everyone paying to access the various RBLs?
It is my understanding that these lists are FREE, FREE, FREE. You configure your email server to utilize an RBL service if you feel like it.
Since the people who maintain the various RBLs are doing it "out of the goodness in their heart" and not because someone is paying them, the owners of the RBLs can do whatever the hell they feel like.
On a related note: Does anyone have comments (both good/bad) on Kelkea?
How can you sue the maintainers of the RBL? They didn't block any email messages.
They run a small server which has a file with IP addreses in it (oversimplying a bit). If you (as a mail admin) decide to configure your mail server to access that file and block email based on the *suggestions* in that file, then the responsibility is on the shoulders of the mail admin.
It'd be like me wearing a t-shirt saying "Don't shop at Walmart. I don't like how they treat their employees". You see my t-shirt and then you decided whether or not to shop at Walmart. I am not standing in front of the doors at Walmart physcially blocking you from gaining entry to the store.
This would be like if Microsoft decided that the next update to Exchange Server would block all e-mail originating from non-Microsoft e-mail servers,
How much money did you pay to Microsoft for your Exchange Server software/licenses? How much do you pay each year for tech support from Microsoft?
How much did you pay to subscribe to the RBL?
That's what I thought.
Obviously, co-location facilities don't actively monitor traffic going in and out
Maybe they should...
our only alternative is to educate the ISPs to not use their services. Openly boycot any ISP who subscribes to the MAPS,
It's not the ISPs you have to worry about. It's the email admins at companys around the globe who subscribe to the RBLs.
If your email doesn't get delivered to company XYZ.com because the email admin at XYZ.com decided to implement an anti-spam policy that makes use of RBLs, it has nothing to do with your "boycot" of ISPs who use RBLs.
I read your post a couple of times to be sure what you are saying. You are complaining that you are listed on a RBL yet you admit that your customers are a source of spam?
If you have customer that are the *source* of spam email, then yes, you should be RBL'ed.
Get your shit together and then you won't have to worry about being on an RBL.
When you say "our customers", have you thought of contacting them to offer consulting services to tighten-down their security?
Spam is coming from *your* network. You deserve to be on the RBL, Mr. Sr. Network Eng.
And of course since you come from the Wisconsin Department of Transportation...
Working for the Wi DOT and working for DoIT at UW-Madison are at opposite ends of the scale.
If you were to infer that *I* worked for the DOT, I'd have to punch you. Seriously.
You owe Dave an apology.
-s
Fellow Cheesehead