mail_host getting populated with incorrect data

[wienhoefer]

Hi,

I am currently in the process of migrating our Roundcube instance to a new installation and experiencing a strange behaviour when testing logins:

All our entries in the "users" table have the same "mail_host" set. This mail_host is also the setting we use in config.inc.php as "imap_host".

When users login, a new entry is created in "users" with a different "mail_host" (a different DNS entry for the relevant mail server). How is this possible and why is it happening?

Thanks!