Am 01.04.2011 17:07, schrieb Vincent Lefevre: > Perhaps in your case, but when sending mail directly (i.e. without > using SASL), I get a reject only once every few weeks. So, yes, > there is a reason for a fallback to direct SMTP to the destination.
if you send mail directly you have to make sure a static-ip, ptr, matching HELO if this is not possible simply send not mails directly ok you can, but do not wonder if mails are dropped > That's not the MUA, but the local server that holds back the mail if the local server doe not have static-ip, ptr etc. it has to use a relay-server and can send messages authenticated to the relay > If my server is down, I may need to send mail use a relay server
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