[qmailtoaster] Problem sending emails to certain domains

2008-02-29 Thread Chris Bird
Hi,

 

Just hoping someone might be able to help or look at what im trying to
achieve and can tell me how to do it properly.

 

I have several clients who relay their email through my Toaster server and
all except one work fine. They are setup using an Exchange Server at their
offices and they send through my Toaster server  - some receive through it
as well but it’s sending ive got the problem with. They use a lot of
different connotations of the same domain name – eg: domain.com,
domain.co.uk, domain.eu, domain.co.za, domain.co.jp, domain.co.nz etc etc. 

 

I have Toaster setup using only the tcp rules cdb files to allow only mail
from their IP address (I appreciate this probably isn’t the most secure way
of doing it, but that’s another post!) I don’t have the domains configured
anywhere in the setup. 

 

They cant seem to send to a number of domains some being yahoo, gmail, and
even their own .co.za and .co.nz. 

 

I have reverse DNS setup for my Toaster server, from what I read on DNSStuff
forum only the servers IP and it’s hostname needs to have Reverse DNS not
the multiple domains that also use it.

 

Im struggling to think of what else to look at to make this work for them.
Any help would be greatly appreciated

 

Thanks

 

Chris

 

 


No virus found in this outgoing message.
Checked by AVG Free Edition. 
Version: 7.5.516 / Virus Database: 269.21.1/1303 - Release Date: 28/02/2008
12:14
 


Re: [qmailtoaster] Problem sending emails to certain domains

2008-02-29 Thread PakOgah

hi,
just an idea
have you check the spf record for those domains?
make sure your qmailtoaster's IP address is listed (in range) on spf 
record of those domains


Chris Bird wrote:


Hi,

 

Just hoping someone might be able to help or look at what im trying to 
achieve and can tell me how to do it properly.


 

I have several clients who relay their email through my Toaster server 
and all except one work fine. They are setup using an Exchange Server 
at their offices and they send through my Toaster server  - some 
receive through it as well but it’s sending ive got the problem with. 
They use a lot of different connotations of the same domain name – eg: 
domain.com, domain.co.uk, domain.eu, domain.co.za, domain.co.jp, 
domain.co.nz etc etc.


 

I have Toaster setup using only the tcp rules cdb files to allow only 
mail from their IP address (I appreciate this probably isn’t the most 
secure way of doing it, but that’s another post!) I don’t have the 
domains configured anywhere in the setup.


 

They cant seem to send to a number of domains some being yahoo, gmail, 
and even their own .co.za and .co.nz.


 

I have reverse DNS setup for my Toaster server, from what I read on 
DNSStuff forum only the servers IP and it’s hostname needs to have 
Reverse DNS not the multiple domains that also use it.


 

Im struggling to think of what else to look at to make this work for 
them. Any help would be greatly appreciated


 


Thanks

 


Chris

 

 



No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.5.516 / Virus Database: 269.21.1/1303 - Release Date: 
28/02/2008 12:14





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