> Also, is there a way to find out which major blacklists your server is on Try one of these: http://www.mxtoolbox.com/blacklists.aspx http://www.dnsbl.info/advanced.asp
You should probably check spamhaus.org directly here: http://www.spamhaus.org/zen/ If you find yourself on one or more blacklists, visit the blacklist's Web page for information on removal or whitelisting. -- Bob [EMAIL PROTECTED] wrote on 09/01/2007 12:48:06 PM: > Suddenly, these major ISP's were refusing our connections. We are not on > their blacklists. This all started on one day. > > After a great deal of investigation by my sysadmin and my University IT guys > we have come to the conclusion that it might have been caused by updating > our mail gateway machine. We upgraded from an antiquated PIX to one that is > lightening fast. Plus we upgraded our bandwidth at the same time. > > So, what is happening is we are delivering the mail so fast that these ISP's > are rejecting mail because they have thresholds in place that block large > quantities of mail coming in from the same server in a short time. > > So, the question I have is - is there any way to set mailman so that it > doesn't send all its copies of a message to yahoo.com for instance all at > once? Can you break it up? We have 200 yahoo users which is over their > threshold. > > We are grasping at straws on this one. > > Also, is there a way to find out which major blacklists your server is on > and also a way to find the addresses you need to request whitelisting? I > have a feeling there is a repository for this that you can search, but I > don't know where to find it. > > Thanks for your help. > Michael > > > ------------------------------------------------------ > Mailman-Users mailing list > Mailman-Users@python.org > http://mail.python.org/mailman/listinfo/mailman-users > Mailman FAQ: http://www.python.org/cgi-bin/faqw-mm.py > Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ > Unsubscribe: http://mail.python.org/mailman/options/mailman- > users/bbrown%40spsu.edu > > Security Policy: http://www.python.org/cgi-bin/faqw-mm.py? > req=show&file=faq01.027.htp > ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org http://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://www.python.org/cgi-bin/faqw-mm.py Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: http://mail.python.org/mailman/options/mailman-users/archive%40jab.org Security Policy: http://www.python.org/cgi-bin/faqw-mm.py?req=show&file=faq01.027.htp