Re: [CentOS] New mail server slow connecting to web server

2018-05-25 Thread Gordon Messmer
On 05/24/2018 09:10 PM, Gary Stainburn wrote: name resolution isn't the problem as I can nslookup both ways without problems Can you provide more detail here regarding what tests you performed?  Long delays are usually a timeout on a reverse DNS lookup (that is, a PTR lookup) on the connecti

[CentOS] New mail server slow connecting to web server

2018-05-24 Thread Gary Stainburn
Having successfully killed my (Centos 7) mail server I have had to build a new one. Thankfully I had a server build that I was about to start configuring as my new web server. I appear to have set everything up okay, Exim, SpamAssassin, ClamAv, Dovecot, Postgresql, httpd etc. Everything appe