Hi Eric, I have setup notlshosts in control folder and fixed this issue. I think they are using exchange server
Sent from my iPhone > On 27 Jan 2021, at 9:57 PM, Eric Broch <ebr...@whitehorsetc.com> wrote: > > > Do you know what server is on the other end? > > On 1/27/2021 12:54 AM, ChandranManikandan wrote: >> Hi Friends, >> I am unable to send an email to one of the domains which was working earlier. >> >> The below bounce message was sent to that domain. >> >> Do I need to do anything on my server or the problem is on the other end? >> >> Hi. This is the qmail-send program at mail.example.net. >> I'm afraid I wasn't able to deliver your message to the following addresses. >> This is a permanent error; I've given up. Sorry it didn't work out. >> >> <t...@example1.com>: >> TLS connect failed: connection reset; connected to XXX.XX.XXX.XX. >> I'm not going to try again; this message has been in the queue too long. >> >> Am running COS 7 with QMT. >> Appreciate anyone could help me. >> -- >> Regards, >> Manikandan.C