"@lbutlr" <krem...@kreme.com> writes: > On 1 Feb 2018, at 21:31, Olivier olivier.nic...@cs.ait.ac.th> wrote: >> Is that a know problem? Is there a fix? > > It is not. I have a postfix 3.2 install and primary use Macs to access it. > Works fine one new and old accounts. > > However, this sounds like a dovecot issue, not a postfix issue. And you > didn't provide any logs for the "can't use old accounts" events, so it's hard > to say. > > Or maybe you are using something other than dovecot, in which case use > dovecot. > > Ah, I see reading ahead that you are using cyrus. > > I found cyrus to be poorly documented and fragile, and switched to > dovecot on recommendations on this list. I've been pleased with it.
OK, I will keep that in mind for a future upgrade :) Now I prefer to limit my changes to minimum, so i can work out the problem one step at a time. > In all likelihood, the settings for authentication need to be updated on the > Macs. Generally the Mac does a good job of setting the accounts up correctly, > but it will not change the settings when your server changes. > > Check the port number and the authentication method and make sure they match > a working account. > > <https://www.dropbox.com/s/85xy4tc24i5twqr/Screenshot%202018-02-03%2010.06.26.png?dl=0> I checked that is what I have. Port 25 because I use port 25 and plain password (over TLS). Thank you, Olivier > > (That is for macOS High Sierra v10.13, earlier versions may look different) > > I suspect either the port is wrong or the Authentication method is wrong, or > both are wrong. --
