Tricky E-Mail Problem

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DMac

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Joined
Nov 13, 2001
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20
Hello,
Here's a problem that I just havn't been able to solve. I have a mail server at work that receives all the mail for my company. Suddenly, one of our clients can no longer send mail to us in a timely manner. For example, a mail that was sent monday will be received Friday. We are successfully receiving e-mail from anybody else in the world except this one company. Their IT techs say nothing has changed on their end, and nothing has changed on my mail server. We can also send e-mail to them as normal.
I also found out a person trying to send us e-mail is getting a "refused by mailhost.mycompany.com" error

Any ideas?

Thanks in advance.
 
Joined
Jun 26, 2000
Messages
7,762
Welcome to TSG!!

Sounds like a problem with their service provider. This would be nothing to do with the setup of either system or network.

Easy way to check would be to have them get a temporary Hotmail account, and send a mail to you from there. Using an Internet based mail system would bypass their standard servers, and if you receive it in a timely manner, then it definitley points to their ISP.
 

DMac

Thread Starter
Joined
Nov 13, 2001
Messages
20
Thanks RandyG,
I'll give the hotmail suggestion a try. I did in fact have them send me a mail from their system to my yahoo account and it worked perfectly. They also say that we are the only company that they are having this problem with.

WEIRD!!!!
 
Joined
Oct 29, 2001
Messages
2,056
not so weird

i had problems between a sending ISP and the one i use for web & email hosting
(i use cable, but send through 4 or 5 different pop3/smtp accounts along with the cable accounts)

the sender's email would disappear, and both companies said they were the best of friends and no one else ever had this trouble, etc, etc

if it's a rare occurance, they don't worry about it so much (they should, but that's another story), if it was happening to a large corporate client, you can bet they'd be on it

life happens

let us know what happens with the web based test
 
Joined
Oct 29, 2001
Messages
2,056
not so weird

i had problems between a sending ISP and the one i use for web & email hosting
(i use cable, but send/receive through 4 or 5 different pop3/smtp accounts)

the sender's email would disappear, and both companies said they were the best of friends and no one else ever had this trouble, etc, etc

if it's a rare occurance, they don't worry about it so much (they should, but that's another story), if it was happening to a large corporate client, you can bet they'd be on it

life happens

let us know what happens with the web based test
 
Joined
Oct 26, 2001
Messages
57,793
Look at the full email header and you can see the time that the email got to each server.
 

DMac

Thread Starter
Joined
Nov 13, 2001
Messages
20
Thanks again for all the help everyone.
Here's where I stand right now:

I had the people who I'm having the problem with send me a mail from a hotmail account, it worked fine.

After looking at complete e-mail header from one of the problem mails that we received, it looks like the mail filters through all of their servers fine. The big gap in time(ie many days difference) comes from when it leaves their last server and gets to ours.

I'm currently trying to get in touch with their IT help to see if in fact there is any problems over there.

If anyone has any additional ideas, I'd appreciate it.

Thanks again
 
Joined
Jun 26, 2000
Messages
7,762
Those servers are routing servers, and probably not connected to their company at all. Unless they are their own service provider, then they would have to contact their service provider with a query on the delays in routing.

As jbcalg already said, though, most ISPs will not worry about it too much, unless that company is putting a lot of mails through their systems. They might have to change ISPs.


Good Luck.
 
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