giovanni mancuso mcpkmkbmessinalugorg hi tools implements attachment striping url replacing postfix described observation users concept email file attachment size limits bandwidth usage observation users unwilling learn something new unless faster easier current methods proposal strip email attachments smtp server insert ftphttp link setting mail server site user david company fluffy bunny amalgamated domain fluffybunnycom user email xlicqfluffybunnycom scene david creates email good friends carl billy larry davids three friends work happy squirrel enterprises carl receives email eprehappysquirrelcom bill receives email hmspjhappysquirrelcom larry receives email ykyvxhappysquirrelcom david attaches 15mb file workrelated email name attachment naughtywmv david sends email traditional smtp environment two things would possibly occur 1 email delivered three recipients generating 45mb outbound email one moment 2 email bounced david indicating attachment large david confused potential generated even larger load attachment remains inbound message programming rescue outgoing mail hits davids smtp server checked file attachments attachment greater threshold attachment removed server creates directory randomly generated name places folder publicly accessible location ftphttp puts attachment readonly folder password protects folder period time hours days weeks etc expunges folder contents outgoing email would continue destination without attachment instead email would contain link username password ftpftpfluffybunnycomldic4239naughtywmv username david derived sender email generated desired password 918dfkfj4 generated include second link path embedded ftpdavid 816afgtx9ftpfluffybunnycom ldic4239naughtywmv include text string email body telling recipient get file result users dont learn anything immediate reduction smtp traffic 45mb example future ftphttp traffic user likely occur nonconcurrently smoothing demand cycles possibility incorporate bittorrent technology file distribution recipient email filters less likely reject mail based size limits failedrejected email generate inbound outbound load mobile users delayed large attachments unreliable connections perform procedure onsite pop3 server inbound mail processed delivery done postfix sits need hire programmer know good programmers fri 08 aug 2008 011327 0100 question attachment striping url replacing