Hello Everyone,
I am hoping someone can help with this issue. We are in the middle of upgrading our network here. We moved from a business dsl to a t1 our ISP is Verizon for both. We upgraded from W2k3 SBS to Windows Server 2003 R2. Our email was being house by a third party via pop3. We migrated over to exchanged made all the the configuations and now we can send and recieved email internal and send out external but we can not recieved from the outside world. We have a just replaced out Cisco 871 with the SonicWall TZ190. I went to MXToolbox.com and it show the MX record pointing to our static IP but when I ran a dianostic the only this display was on the Banner it said Argument 'Length' must be greater or equal to zero. Can anyone please help
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Yes to both questions. We actually called Sonic support to double check all are setting on the firewall. Another thing we have done is purchased another domain name for testing reasons to eliminate down time. We purchased the domain name off of penguinhost.com and had them change the MX. This one is really kicking our butts and we are on a time frame. Thank in advance for your help and time.
Nevermind. I got it working with help from this site. Someone else was having this issue and here's what the did to correct it.
"thanks for everyone's input. From my side and talking on the phone with Netsential everything looked fine, but using dnsstuff.com told a different story. I never figured out the discrepancies between the MX and A records. This is what finally allowed mail to start coming in. Go to the protocols folder in Exchange System Manager. In that folder go to the SMTP folder and expand it. Right-click on SMTP virtual server and choose "properties" Once in properties go to the "Access" tab. On this tab there is a section titled "Connection Control" click on the "Connection" button and the connection dialog box pops up.
On this dialog box it says "Select which computers may access this virtual server" and it has two options. My exchange server had the first option checked which was "Only the list below". I changed this setting to "All except the list below" and left the Computers field at the bottom empty, clicked ok, and mail started rolling in."
This is a great site and beautiful. Thank you for your help. But like he said and soon as I made the changes the emails came rolling in. YAHOOOOOOOOO!!!!!
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by: bluetabPosted on 2008-07-19 at 14:35:12ID: 22043743
It sounds like you moved your mail in-house to your new Exchange server, did you change the DNS mail record for your public domain to point to your new mail server? Also, have you configured the SonicWALL to forward port 25 (SMTP) to the Exchange Server?