> In the linux-kernel -list subscribers domain popularity > analysis I got following results: > > 2101 gmail.com > 49 googlemail.com > 46 gmx.de > 41 redhat.com > 33 yahoo.com > 23 suse.de > 22 gmx.net > 21 comcast.net > > > The gmail is so popular, that with their somewhat rudimentary > inbound MTA software this kind of recipient masses take horrible > time to feed in... Mere 0.5-0.7 seconds per recipient, but.. > > So far we have tried to feed all recipients in one go per > message - that is sending 2100 RCPT TO -lines in one swoop, > and the system has taken some 15-25 minutes per message to > feed it to gmail. We are running the delivery 20 streams in > parallel, so it isn't quite as bad as it sounds.. > > I do have one thing that gmail could enable to speed up the message > delivery (a lot!) from VGER and other list delivery sources. > That single magic needed thing is called "PIPELINING" support > at gmail's inbound MX servers. With suitably well behaving > smtpserver it is really trivial to implement, all real difficult > magic is at the sending side smtp client codes. > > Once upon a time I implemented that thing for a trans-atlantic > SMTP fanout feed -- message delivery time became slashed from > hundreds of RTT delays to mere few..
How about some elitism here? Dedicate a certain number of streams to everything-except-gmail, so MTAs from the 21st century can get their mail faster, and set the rest on gmail-only. Slows down gmail and speeds up the rest? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
