outlook – large email sending several times
Posted in sysadmin on December 12th, 2006 by gmunteanusome of my clients were having trouble sending large attachements throush my postfix server.
It went like this: when the file attached was bigger than 1 MB, the receiver got the mail around 8 times.
First i thought it is the person who sent it, being tired of waiting [they were on a slow connection to the internet] it clicked the send button several times.
it wasn’t the case.
then i thought , maybe there is a microsoft thing that didn’t comply with the standards. No it wasn’t.
i disabled their anti-virus software, check my postfix configuration, analysed the logs. nothing.
then, i saw a setting in the outlook called "server timeout". Bingo. that did it.
it was set to 1 minute and a half, and i increased it to 8 minutes.
no duplicate sent emails any more.
another client satisfied. Next! :)