* Stefan Caunter <s...@caunter.ca>: > It could be viewed that half a million delivered in 24 hours is fine. > Are you signing the mail? This can help with delivery rates to the > large webmailer mx destinations.
There are many things to consider: * DKIM signing - which is the prerequisite for getting into feedback loops at major email providers * get into the feedback loops at major email providers * SPF * good reputation (e.g. SenderBase, senderscore) -- 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 ralf.hildebra...@charite.de | http://www.charite.de