Re: strange sendmail problem

2003-06-09 Thread Michael Lambert
You could kick em off (thats what we do for the linux-kernel list 8)) or turn ECN off ( echo 0 /proc/sys/net/ipv4/tcp_ecn , or in a kernel build) Alan Thanks, Alan, that solved it. In reference to John's question: btw You are aware of the short support life of RHL 9 aren't you? Yes, we are

strange sendmail problem

2003-06-06 Thread Michael Lambert
We've been experiencing a strange problem that is baffling our mail and network gurus. Our listserv server is hosted on a linux/390 RH 7.2 image. Aside from some hiccups when the server was first built, listserv has just worked. Recently, however, I moved the listserv image from the RH 2.4.9-38

Re: strange sendmail problem

2003-06-06 Thread John Summerfield
On Sat, 7 Jun 2003 04:42, you wrote: In the course of testing, we found that some RH 9 boxes that we have also refuse to take any mail from the server. A quick glance at the logs and sniff of the traffic shows that the connection is rejected before any mail negotiation takes place, as if the

Re: strange sendmail problem

2003-06-06 Thread Tzafrir Cohen
On Fri, Jun 06, 2003 at 03:42:57PM -0500, Michael Lambert wrote: We've been experiencing a strange problem that is baffling our mail and network gurus. Our listserv server is hosted on a linux/390 RH 7.2 image. Aside from some hiccups when the server was first built, listserv has just worked.

Re: strange sendmail problem

2003-06-06 Thread Alan Cox
On Gwe, 2003-06-06 at 21:42, Michael Lambert wrote: We immediately began seeing undelivered mail to a few specific sites pile up in the mqueue. Most of the listserv traffic was being delivered but a few sites returned connection refused or connection timed out. These sites, incidentally, also