Thanks Mark, I don't have iptables or other firewall block this port, it is behind a load balancer and port 993 is open. I am pretty sure it's something in my configuration which I linked above: https://pastebin.com/M3XG9DXA
On Mon, Jun 22, 2020 at 7:36 PM Mark Stevens <mana...@monmouth.com> wrote: > > make sure ports are set correctly in IPtables as it seems to be failing on > TLS/SSL (open port 993) > > Mark > > On 6/22/2020 12:19 PM, Dshah wrote: > > Dear all, > > I am stuck on this issue for days, I am able to connect on my IMAP server > using Apple mail client but thunderbird shows me this error: "improper > command pipelining after EHLO" > > I have tried all the ports in manual config but it just is not working > while Apple Mail is able to connect perfectly, > > here are my configuration details of "postconf -n" , "doveconf -n" and " > master.cf" > https://pastebin.com/M3XG9DXA > > Thanks in advance. > > > >
