Lungisa Postfix ku relay ya imeyilo, so si web proxy
Londa SMTP relay ya Postfix era ojjaawule okuva ku kkubo lya HTTP CONNECT.
Postfix yeetaaga SMTP munne, so si HTTP proxy. Bwe oteeka relayhost ku mulyango gwa web proxy, okukwatagana tekugenda bulungi.
Mu kitabo kino kinyonnyolwa engeri y'okulonda relay ya imeyilo ekkiriziddwa n'enjawulo yayo ku kkubo lya CONNECT: soma ekitabo ekikulu mu Lungereza.