> According to sender verification logs for the last months on my
> small server, case folding the domain part would reduce the number
> of unique senders from 7436 to 7433 (0.04%), and case folding the
Here:
# postmap -s btree:verify | sort | uniq | wc -l
104785
# postmap -s btree:verify | awk '{print tolower($1)}' | sort | uniq | wc -l
104654
That's 0.125% difference, so it gets worse the bigger the site gets :)
> entire address would reduce the number of unique senders from 7436
> to 7419 (0.23%). Most of these sender addresses are spam, and they
> are used only a few times.
--
Ralf Hildebrandt
Geschäftsbereich IT | Abteilung Netzwerk
Charité - Universitätsmedizin Berlin
Campus Benjamin Franklin
Hindenburgdamm 30 | D-12203 Berlin
Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
[email protected] | http://www.charite.de
