jefforamma Posted February 5, 2008 Share Posted February 5, 2008 hello, i am dazed and confused. im not sure where to turn to. i am having problems emailing from our server. it is ip 18.104.22.168. i can mail to many domains but there are several that are not working for me. and until today have not figured out why. ie. Hc-sc.gc.ca - ironport.hc-sc.gc.ca Qc.aira.com - mxmta.bellnet.ca Marlintravel.ca - bebn.srvr.bell.ca Carlsonwagonlit.com - usmn00mx.carlson.com At first i thought it was a bell network issue as alot of the domains seemed to be on bells networks. However today i found a domain on mts.net, MTS's (manitoba tel's) network that had the same problem. After talking with their very helpful support line (bell's is another story ) i was advised to check on senderbase.org. where it shows my ip has a poor reputation. now i am in a datacenter where there are other ip's on my subnet that are out of my control. i know my servers/range is clean. however on searching over senderbase.org i cant see where i am getting blocked. spamcop is clean for my ip. as are others i check. here is the ndr i get back immediately after it is sent out. The following recipient(s) could not be reached: *****[at]mts.net on 05/02/2008 3:05 PM Could not deliver the message in the time limit specified. Please retry or contact your administrator. <amelia.intelisys.ca #4.4.7> I am able to send from 2 other sites to those domains. just that ip has the problem. i cant even telent to those mail servers. it just drops my connection immediately. sorry for the book. does anyone have any suggestions. i am in despate need. please help. Link to comment Share on other sites More sharing options...
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