[Mailman-Users] FAQ 4.12 "What about Verp" as applicable to sending to a relay host

Ralf Hildebrandt Ralf.Hildebrandt at charite.de
Sun Oct 16 22:22:54 CEST 2011


* Anne Wainwright <anotheranne at fables.co.za>:
> Hello,
> 
> Not that I am going to switch on Verp, but ...
> 
> I read this, and interesting sums there too. I note that Defaults.py
> still carries SMTP_MAX_RCPTS = 500 despite good conclusions in the FAQ
> based upon a statistical analysis of a large mailing list user base that
> the sweet spot is likely between 2 and 5.

Well, it doesn't hurt. Let the MTA do the sorting and splitting.
 
> In my case where I am relaying to the isp's smtp server I indeed do
> have all my posts to one domain and so I presume that a larger value
> could be appropriate?

Yes.

> Given that they limit me to 100 recipients per smtp session it would
> seem that I should adjust this downwards to <100 (in mm_cfg.py) to avoid
> breaking this rule.

Yep.

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebrandt at charite.de | http://www.charite.de
	    


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