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fgump

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Hello. Hope someone can help me out with a problem I've encountered with Kerio Mail Server. I've got it all setup and it appeared to be working properly until I tried to receive mail from an external email address.

Sending/receiving email within the office works great. I tested sending an email to an external address and it was never received. No bounce back ever! Just never showed up. After looking at the email account settings in Outlook, I saw it's using IMAP/SMTP on ports 143 and 25. I had already opened port 25 on our firewall, but not 143. I went ahead and forwarded port 143 (for the IMAP) to our server. That seemed to fix sending an email out to an external address. However, if I reply to it, it never gets back! Again, it's not being bounced back or anything.

I believe I've forwarded all the correct ports 110, 25, 143 on our Linksys router. Why am I not able to receive emails from the outside world? I've looked at all the settings in KMS and can't figure it out. I do NOT have the users setup to only allow sending/receiving internally.

We also use NO-IP.com to redirect everyone to our server. I have the mail.domain.com being re-directed, but have not entered any MX records. Not sure if that's necessary. If anyone is familiar with no-ip and setting this up, I'd appreciate any help on what to do to get this working.

Thank you very much,

Frank

[Updated on: Wed, 25 October 2006 01:46]

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sonofcolin

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Quote:



We also use NO-IP.com to redirect everyone to our server. I have the mail.domain.com being re-directed, but have not entered any MX records. Not sure if that's necessary.

Frank


I'm quite sure it is necessary to have an MX record!
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fgump

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Thank you. I checked this out and when I do a "nslookup" where I "set q=mx" and type our domain name, it shows me the MX record 5 being "mail.ourdomain.com". So, I believe the MX is set okay. It wasn't specifically listed on the No-ip.com site (where they ask for MX) so it must have been defaulting to this.

However, I went ahead and put in the MX record and it's still not working.

Something in Kerio that would prevent sending outbound emails (i.e. out of our network)??

Thanks again,

Frank
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freakinvibe

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Hi Frank

I am confused. In one sentence you say:

Quote:

Why am I not able to receive emails from the outside world?


In the next message you state:

Quote:

Something in Kerio that would prevent sending outbound emails (i.e. out of our network)??


Do you mean you can't send messages to the outside world and you can't receive messages from the outside world?

In any case the KMS logs can help you a lot to identify if the messages get to your KMS server, but not to the client and vice versa.

Can you describe the exact problem you have and add some relevant logs? Otherwise it is very difficult to assist.

Regards, Pascal

Dexion AG - The Blackberry Specialists in Switzerland
https://dexionag.ch
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fgump

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I apologize for the confusion. It was that I could not receive emails from the outside. I looked into my settings at No-ip.com and I had setup "mail.ourdomain.com" to be a port 80 re-direct to port 81. This was so I could get Kerio web mail working if someone typed in "mail.thedomain.com" into their browser. However, that broke their email!

I changed it back to a normal DNS and the MX record showed up correctly. It's all working now. However, to get to the web mail, I have to type: in our domain www.domain.com:81. Since we run IIS on the same machine, port 80 is already being used for the web service. So, I set Kerio web mail to be port 81. I'd like to make it to where they can type in webmail.domain.com and have it go to the Kerio web mail, but I'm not sure what to setup on the server (IIS or Kerio) to accomplish that yet. I know how to get "webmail.domain.com" to redirect to port 81 via no-ip though.

Thank you,

Frank
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jepoys

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hi we have same problem. I can't receive mail from other domain, but i can send mail in a local network, and if i send mail to my yahoo account, it's always go to bulk mail.

If it is okay, can you give me the exact configuration what you did to your problem concerning the receiving mail.?
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My IT Indy

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Why in the heck are you running webmail on an insecure port? Use https which is port 993 to secure your webmail.

-
My IT Indy
Kerio Certified Reseller and Hosted Provider
http://www.myitindy.com
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sonofcolin

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993 is IMAPS
443 is HTTPS
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