Barracuda... MMM we love ours! Check to ensure you don't have another device blocking that port.
We have a hierarchy even though we are not blocking it; doesn't mean it isn't blocked somewhere else. /ALE > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Alborzfard, Alex > Sent: Friday, November 11, 2005 11:15 AM > To: Exchange Discussions > Subject: 421 SMTP Service not available > > Outgoing emails to a certain domain do not make it. > When I try SMTP to recipient domain's primary MX mail server, > I get the > following: > "421 SMTP service not available, closing transmission channel" > There is Barracuda Spam server in place, but according to > Barracuda it's not filtering outgoing emails. I looked into > logs, but cannot find a trace of the message(s). > Any ideas? > > --Alex _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange To subscribe: http://e-newsletters.internet.com/discussionlists.html/ To unsubscribe send a blank email to [EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. Attn: Discussion List Management 475 Park Avenue South New York, NY 10016 Please include the email address which you have been contacted with.
