On Wed, 6 Oct 2010, Cesar Meloni wrote:

> I have a similar problem.
> Some users need send mail to some domains such as yahoo or hotmail, for some 
> reason the emails
> to these domains were transferred at very low speed, making global mail queue 
> slow.
> I managed to solve it by raising a new instance of XMail, with only the SMTP 
> port number 1025
> and the following parameters: "-Md -P- -B- -Sp 1025 -X- -Qn 3 -Y- -F- -C- -W- 
> -Ll -Pl -Sl -Ql
> -Yl -Fl"
> in smtprelay.tab file only the line: "127.0.0.1" <TAB> "255.255.255.255"
> And in original XMail the following configuration:
> smtpfwd.tab:
> "*yahoo.com"<TAB>"127.0.0.1:1025"
> "*hotmail.com"<TAB>"127.0.0.1:1025"
> 
> so you can separate these emails in an alternative queue with 3 simultaneous 
> connections form
> SMTP.

Very smart work-around.  I hope you remembered to not make both XMail 
instances point to the same MAIL_ROOT though ...




> 2010/10/6 <fcxm...@aquinet.net>
> 
>       Hi Bill
> 
>       I have the same problem too from some days with 'orange/wanadoo' here in
>       France then some of my customers send 'little' newletters for max 10 
> final
>       users to orange/wanadoo (really not spam).
>       Now, they servers limit incoming connections to about maximum 3 incoming
>       sessions at a time
>       (xmail does send same mail at once (one mail to, multiple rcpt to) to 
> same
>       final domain)
> 
>       At this time there is only one solution in xmail, the -Qn cmd line 
> option
>       limiting 'global' xmail output threads (so limiting in fact max 
> simultaneous
>       outgoing connections)
> 
>       BUT as noted, it affect xmail for ANY destination, so at this time, my
>       server regulary have many mails waiting for first attemps to delever ! 
> and
>       is slow to send mails :(
> 
>       So I have allmost the same question to Davide : could it be possible to 
> say
>       xmail to 'slow down' when sending to specific final domains mx servers 
> (use
>       of smtpfwd.tab with new options, max conns or delay between each conns 
> ?)
>       letting normal -Qn do its job for others domains ?
>       Or a new -QMXn saying no more than n simultaneous connections at the 
> same
>       time per unique final mx ?
> 
>       Francis
> 
> 
> 
>       >-----Message d'origine-----
>       >De : xmail-boun...@xmailserver.org
>       >[mailto:xmail-boun...@xmailserver.org]de la part de Bill Healy
>       >Envoye : mercredi 6 octobre 2010 07:52
>       >A : 'xmail@xmailserver.org'
>       >Objet : [xmail] Multiple outbound smtp connections
> >
> >
> >How many connections will xmail make to a particular server at one time
> >if there are many messages to deliver to the same domain? And
> >is there a
> >way to limit the number if the answer is more than a few?
> >
> >Reason I ask is that mail to a particular domain is being delayed by a
> >temporary error saying there are "too many connections" try later. The
> >people in charge of said server say that xmail must be making more than
> >5 connections to one server or 3 to another of their servers
> >to get that
> >message.
> >
> >I've looked through the docs and can't find any way to limit the number
> >of simultaneous connections to a server, is there such a setting? I
> >thought there was, but can't find it.
> >
> >Thanks,
> > Bill
> >
> >_______________________________________________
> >xmail mailing list
> >xmail@xmailserver.org
> >http://xmailserver.org/mailman/listinfo/xmail
> >
> 
> _______________________________________________
> xmail mailing list
> xmail@xmailserver.org
> http://xmailserver.org/mailman/listinfo/xmail
> 
> 
> 
> 


- Davide


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