Re: server migration question

2019-03-08 Thread lists
On Sat, March 9, 2019 4:53 am, Bill Cole wrote: > On 8 Mar 2019, at 7:33, li...@sbt.net.au wrote: >> is that an OK idea ? > > That's how I always do it, and it works well. Make sure you reduce the > TTL value of the A record to a short value for at least twice the normal > TTL before doing the swi

Re: server migration question

2019-03-08 Thread Bill Cole
On 8 Mar 2019, at 7:33, li...@sbt.net.au wrote: I have Postfix/Dovecot/Mysql on Centos 7 with mail_version = 3.2.4 setup new server same hostname as old server with mail_version = 3.3.3 using same hostname as old server the thought was to change A records to point mailserver hostname to new

server migration question

2019-03-08 Thread lists
I have Postfix/Dovecot/Mysql on Centos 7 with mail_version = 3.2.4 setup new server same hostname as old server with mail_version = 3.3.3 using same hostname as old server the thought was to change A records to point mailserver hostname to new server IP at switch over time is that an OK idea ?

Re: migration question

2010-02-25 Thread Larry Stone
On Thu, 25 Feb 2010, LuKreme wrote: On 25-Feb-2010, at 05:35, Larry Stone wrote: example.com. 60 IN MX 10 mail.example.com. where the 60 is the time-to-live in seconds and the 10 is the priority. Er, that's not what my MX looks like at all in bind9. MX

Re: migration question

2010-02-25 Thread brian moore
On Thu, 25 Feb 2010 12:08:03 +1100 Adrian Overbury wrote: > I think that there's an important step here that I always use when I'm > doing a mail migration. It could really go anywhere above the 'wait for > a Friday night' step, really. "Reduce the TTL on the domain to > something quite smal

Re: migration question

2010-02-25 Thread LuKreme
On 25-Feb-2010, at 05:35, Larry Stone wrote: > > example.com. 60 IN MX 10 mail.example.com. > > where the 60 is the time-to-live in seconds and the 10 is the priority. Er, that's not what my MX looks like at all in bind9. MX 10 mail.example.com. all the

Re: migration question

2010-02-25 Thread Larry Stone
On 2/25/10 2:35 AM, Bas Mevissen at ab...@basmevissen.nl wrote: > Your domain has at least one MX record for receiving mail. > Suppose it is: > > mydomain MX 10 1 day oldserver_ip > > Change it to > > mydomain MX 20 1 min oldserver_ip > mydomain MX 10 1 min newserver_ip MX records point t

Re: migration question

2010-02-25 Thread Bas Mevissen
On Wed, 2010-02-24 at 16:51 -0800, Terry Barnum wrote: > When it's time to swap servers, is there a preferred recipe to move to new > hardware while using the same domain? I googled and checked the FAQ and > archives but didn't have a whole lot of luck. > Your domain has at least one MX record

Re: migration question

2010-02-24 Thread Terry Barnum
On Feb 24, 2010, at 5:08 PM, Adrian Overbury wrote: > Terry Barnum wrote: > > > > - configure new postfix/dovecot server to be in correct domain (conf files, > > certificates) > > - setup users and passwords on new postfix/dovecot server > > - use imapsync to pull all email from old server to ne

Re: migration question

2010-02-24 Thread Adrian Overbury
Terry Barnum wrote: > After becoming frustrated with our current (non-postfix/dovecot) mailserver's IMAP performance, I setup postfix+dovecot+mysql on a MacPro running Snow Leopard (10.6.2) using MacPorts and an unused domain. After getting it working and playing with it a bit I now have what i

migration question

2010-02-24 Thread Terry Barnum
After becoming frustrated with our current (non-postfix/dovecot) mailserver's IMAP performance, I setup postfix+dovecot+mysql on a MacPro running Snow Leopard (10.6.2) using MacPorts and an unused domain. After getting it working and playing with it a bit I now have what is likely a very-wet-beh