Stable Mail Server And Web Mail

[Wojciech Puchar]

> Depends on your usage. I'd say for SMTP table lookups, MySQL can out perform
> PostgreSQL, unless one uses persistent connections (postfix proxy-map to be on
> topic). The reason for this is that the connection start up for MySQL has
> lower overhead then for PostgreSQL.

for just quick searching of keys isn't just berkeley DB or maybe sqlite 
the best. there will be no connecting at all.

anyway sqlite is much more useful