Zoltan Balogh a écrit : > Hi List, > > I have an old postfix install where I am getting "timeout after > CONNECT from" error messages upon e-mails being send from one > particular host. The user is complaining that he is not able to send > out any e-mail. Other users from the same system are sending mail > happily without errors.
When you say "from the same system", do you mean from the same client machine, using the same OS? > User claims to use MS Outlook client. He was > trying to send an e-mail with about 500 recipients in one mail (no > comment) but he says before it was processed without problems. Now he > claims to have only one outgoing email in his Outbox (others including > one with 500 recipients was removed). > Is there are firewall, a pix, a proxy between the client machine and your postfix? If so, look for tcp related bugs (window scaling, ... etc). did the user upgrade from windows XP to vista or Seven? If so, look again for a borked firewall/router/proxy. Does the user run an anti-virus on his machine? If so, ask him to test with the AV disabled. > [snip]
