> On Oct 18, 2014, at 10:30 AM, jason hirsh <hir...@att.net> wrote: > > I get this > > > Trying 66.96.142.51... > Connected to 51.142.96.66.static.eigbox.net <http://static.eigbox.net/>. > Escape character is '^]'. > 220 bosimpinc11 bizsmtp ESMTP server ready > > > > > I am getting the original; error message on all mail i end only tot that > server
correcting typos should use my glasses I get the error message that i have in the beginning of this thread on all traffic i send to this mail server from mine > > > >> On Oct 18, 2014, at 10:21 AM, Stephen Satchell <l...@satchell.net >> <mailto:l...@satchell.net>> wrote: >> >> On 10/18/2014 07:01 AM, jason hirsh wrote: >>> I have about 8 of these over two days all continue to be retired >>> >>> I am trying to be pro-active and was just looking if ether was something i >>> may have hosed on my side >>> >>> although this is the only server I have been having problems >>> >>> I really think the issue is with that server but was just looking for >>> expert input >> >> What happens when you use TELNET to connect to the remote server on port >> 25? Perform the test repeatedly from your mail server -- that will help >> you with clue. For example, if it takes a long time for TELNET to >> connect, then you know the remote server may be overloaded. >> >> I discovered with, a TACACS daemon with a too-short backlog, that the IP >> stack in the server will complete the three-part handshake -- then finds >> it can't pass the connection to the LISTEN socket because the backlog is >> full. After the various TCP wait times expire, the stack sends RST and >> forgets the connection. The key for making me think this is the >> scenario is the clause "while receiving the initial servergreeting" in >> the log message. >> >> The remote SMTP server may never have had the connection passed on to it >> because of high backlog overflow on the remote host. >> >> One reason the remote operator doesn't see a problem is because s/he >> never knows this is happening (no logging of the event) and no other >> mail server operator has complained to him about this. I know I would >> ignore the message when I see it. >> >> Are you getting bounce messages on mail being sent to this server? Are >> you seeing this happen again and again on the same queued message, or it >> is happening with different queued mail? >> >> >
