* Johan Pappu <johanpa...@gmail.com>: > How can I send 100000 mails using postfix in 5 minutes.
That's about 33 msg/sec. Disc IO and DNS lookup speed limit SMTP. To get the disc performance people use (good) RAID controllers and more than 4 discs (the more spindles the better) running as RAID 10 to put the /var/spool/postfix queues on. To handle DNS latency run a local, caching DNS resolver. BUT... your deliverability speed depends on the receiving side too. Your server might be able to deliver that many messages, but others likely will not accept that many messages at a rate of 33 msg/sec or even 5 msg/sec unless they know you and trust your server. p@rick -- All technical questions asked privately will be automatically answered on the list and archived for public access unless privacy is explicitely required and justified. saslfinger (debugging SMTP AUTH): <http://postfix.state-of-mind.de/patrick.koetter/saslfinger/>
