On Jan 10, 2010, at 9:24 PM, Eero Volotinen wrote: > On 1/10/10 10:17 PM, Martijn de Munnik wrote: >> Hi List, >> >> This is not a real postfix related question… >> >> We offer e-mail services to our customers and some of our customers have a >> hard time configuring their mail client. I noticed that most mail clients >> try to 'find' the correct settings when an account is configured. So the >> mail client (at least the ones I've tried) only ask for a friendly username, >> mail address and password and then they try to find the servers. >> First I thought this was done by requesting the appropriate SRV records in >> DNS so I set them up for our domain (youngguns.nl) and tried to configure an >> account in Thunderbird with no success. So mail clients don't seem to use >> SRV records. >> Does anybody know what technique is behind the auto-discovery? > > Well, it looks like fuzzy logic: some dns lookups + common ports on mail, mx, > smtp -prefixed hostnames?
I was hoping that was not the answer ;) We try to let our customers use the submission port and imaps port. We have a SSL certificate for secure.youngguns.nl but it seems most mail clients are just trying mail.example.com on smtp en imap ports if the the mail address is [email protected] > > -- > Eero >
