Bibab
asked on
Helo command reject: Access-Denied
Hi guy hope you all can help.
I recently setup my first mail server.
It is working quiet well, except for this error, on some of the mails that goes out.
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator. <mydomain.co.za #5.5.0 smtp;550 Helo command rejected: Access-Denied (mydomain.co.za)>
I have tried chenging it from helo ehlo, and back, but can't fix it.
not sure how to address this issue.
Please could any one help.
Thank be grand
Bibab
I recently setup my first mail server.
It is working quiet well, except for this error, on some of the mails that goes out.
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator. <mydomain.co.za #5.5.0 smtp;550 Helo command rejected: Access-Denied (mydomain.co.za)>
I have tried chenging it from helo ehlo, and back, but can't fix it.
not sure how to address this issue.
Please could any one help.
Thank be grand
Bibab
Please have a look this sol..
https://www.experts-exchange.com/questions/21819179/Helo-command-rejected-Host-not-found.html
https://www.experts-exchange.com/questions/21819179/Helo-command-rejected-Host-not-found.html
ASKER
Hi sorry also got another question running.
The exchange is 5.5.
The exchange is 5.5.
ASKER
Where do i find Server config, i only know server management.
Sorry for dumb question, like i said i am new to this all.
Sorry for dumb question, like i said i am new to this all.
Ok 5.5??
In that case it's more than likely because you don't have a rDNS(PTR) record.
Can you check your configuration against my document here: https://www.experts-exchange.com/articles/Software/Server_Software/Email_Servers/Exchange/Exchange-DNS-Configuration.html
if you find the article useful please vote for it :)
In that case it's more than likely because you don't have a rDNS(PTR) record.
Can you check your configuration against my document here: https://www.experts-exchange.com/articles/Software/Server_Software/Email_Servers/Exchange/Exchange-DNS-Configuration.html
if you find the article useful please vote for it :)
ASKER
what is rdns(ptr), and how do i get it.
A revers DNS record.
You need to ask your ISP to set one up.
It's all explained in my article.
You need to ask your ISP to set one up.
It's all explained in my article.
ASKER
okay have looked at your document
: https://www.experts-exchange.com/articles/Software/Server_Software/Email_Servers/Exchange/Exchange-DNS-Configuration.html
and this all is already done
what next
: https://www.experts-exchange.com/articles/Software/Server_Software/Email_Servers/Exchange/Exchange-DNS-Configuration.html
and this all is already done
what next
ASKER
like i said i only have problems with some addresses, not all of them.
So youbalready have a rDNS record?
For the domain you are trying to send mail to can you try telnetting to it onnpoet 25?
For the domain you are trying to send mail to can you try telnetting to it onnpoet 25?
Not all will check for rDNS
ASKER
telnetting to it onnpoet 25?
what is this and how do i do this
what is this and how do i do this
Goto http://www.mxtoolbox.com
enter the domain name of the address your having difficulty with.
This will tell you what the MX record is.
Once you have that from your exchange server open a command prompt and type:
telnet mx_record 25
replace mx_record with the MX record you got from mxtoolbox and press enter
does it allow you to connect?
If so type the following:
ehlo yourdomain.com
replace yourdomain.com with your email domain and press enter.
What do you get?
As a test you could also use http://www.mxtoolbox.com and put your domain name in and run the test
enter the domain name of the address your having difficulty with.
This will tell you what the MX record is.
Once you have that from your exchange server open a command prompt and type:
telnet mx_record 25
replace mx_record with the MX record you got from mxtoolbox and press enter
does it allow you to connect?
If so type the following:
ehlo yourdomain.com
replace yourdomain.com with your email domain and press enter.
What do you get?
As a test you could also use http://www.mxtoolbox.com and put your domain name in and run the test
ASKER
Here is the outcome
untitled.bmp
untitled.bmp
ASKER
Here is our domain on mx lookup
untitled.JPG
untitled.JPG
Ok, can you try the same again but this time instead of typing ehlo domainname.com type helo domainname.com
what do you get?
what do you get?
ASKER
Here you go
untitled.JPG
untitled.JPG
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ASKER
is it bad that our domain has blacklist infront of it?
ASKER
okay, i understand, how can i sort out this problem, without getting my isp to come out again and F*ck up everything. becuase they said it was setup.
You should just need to give them a call and they can set it up.
ASKER
well thanks for all the help, will do that in the morning.
and reply to you if i came write.
also where do i vote for your advice, you have helped me a great deal.
and reply to you if i came write.
also where do i vote for your advice, you have helped me a great deal.
If so then you need to check the receive connectors under Server Configuration > Hub transport.
There will be a connector called Default Servername can you screen capture the tabs and post them please?