* Per Jessen <p...@computer.org>: > I'm wondering how others handle this. We offer TLS for all inbound > traffic, which works fine 99% of the time. Every other day though I > notice one or two mailservers who simply cannot cope with it. They try, > but they keep getting a timeout. Something is clearly not working on > their side and the email will eventually not get delivered. (I'm pretty > certain they're all MSEX, but that's just a hunch). > > To prevent this I check our logs regularly and use > smtpd_discard_ehlo_keyword_address_maps to disable starttls for those > servers that have a problem. It's a bit of a hassle, so I was wondering > how others handle it?
I handle it exactly the same way. On a related issue: There are systems which request DSN (delivery status notification), but once our system sends those, their server won't accept them. -- 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
