Path: ...!feeds.phibee-telecom.net!weretis.net!feeder6.news.weretis.net!news.misty.com!.POSTED.veps.esmtp.org!not-for-mail From: Claus =?iso-8859-1?Q?A=DFmann?= Newsgroups: comp.mail.sendmail Subject: Re: Fastest way to inject a lot of mail? Date: Sat, 9 Mar 2024 03:38:01 -0500 (EST) Organization: MGT Consulting Sender: Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Injection-Date: Sat, 9 Mar 2024 08:38:01 -0000 (UTC) Injection-Info: news.misty.com; posting-host="veps.esmtp.org:155.138.203.148"; logging-data="24912"; mail-complaints-to="abuse@misty.com" Mail-Copies-To: never X-Newsreader: trn 4.0-test77 (Sep 1, 2010) Originator: ca@x2.esmtp.org (Claus Assmann) Bytes: 2203 Lines: 26 John Levine wrote: > >(hint: "TUNING"...) > I did and unless I missed something, it says nothing about injecting You are looking for an answer to one specific question - but maybe your question does not address the actual problem? As others have told you: if you don't know what's "slow", you won't be able to solve the problem -- except maybe by trying different things. So you could just try your alternative (one SMTP session, multiple transactions) to see what happens. PS: someone once complained that some MTA was slow sending mail until I asked them about the actual data... which showed their (outgoing) internet bandwidth was completely used by the MTA (because they sent one RCPT per TA with "lots" of RCPTs and large mails). That is, unless you know which bottleneck is actually "hit" it's hard to tell what to do differently... -- Note: please read the netiquette before posting. I will almost never reply to top-postings which include a full copy of the previous article(s) at the end because it's annoying, shows that the poster is too lazy to trim his article, and it's wasting the time of all readers.