3000 recipients
in [Postfix]
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From: Mark Goodge on 3 Jan 2010 15:23 richard lucassen wrote: > On Sun, 03 Jan 2010 19:57:41 +0000 > Mark Goodge <mark(a)good-stuff.co.uk> wrote: > >>> I want to send once a week a simple mail to a list of 3000 >>> recipients. I can set smtpd_recipient_limit and >>> smtpd_recipient_overshoot_limit to higher limits, but is there a >>> better way to handle this? >> Yes. Install a proper mailing list management system, such as Mailman >> or majordomo. 3000 recipients is waaaaaaay too many to do in a single >> shot using Bcc. > > Ok, but a mlm is quite some overkill IMHO, just wondering if there was > an intermediate solution. This is for a blind person who handles the > "mailinglist" himself, so solutions are rather limited. > > But anyway, I can always write a small shell script that does the job. > Should not be a very big problem. Your biggest problem, with that number of recipients, is handling bounces and unsubscriptions. Splitting the recipients into chunks is easy enough, but dealing with all the invalid and/or expired addresses is what makes it more complex. And if you don't handle them correctly, then you're getting into dangerous territory - that's where legitimate lists start being treated as spam, especially if any of the recipients have addresses with the major webmail operators such as Hotmail and Yahoo. Most decent MLMs allow you to import subscribers from a simple text list, so from a user point of view it's no harder (and often easier) than maintaining it in the addressbook of an email client for Bcc purposes. It's more complex for the administrator, but if you're competent enough to administer Postfix then it's hardly likely to be a problem for you! Mark
From: Kenneth Marshall on 3 Jan 2010 15:24 On Sun, Jan 03, 2010 at 09:14:03PM +0100, richard lucassen wrote: > On Sun, 03 Jan 2010 19:57:41 +0000 > Mark Goodge <mark(a)good-stuff.co.uk> wrote: > > > > I want to send once a week a simple mail to a list of 3000 > > > recipients. I can set smtpd_recipient_limit and > > > smtpd_recipient_overshoot_limit to higher limits, but is there a > > > better way to handle this? > > > > Yes. Install a proper mailing list management system, such as Mailman > > or majordomo. 3000 recipients is waaaaaaay too many to do in a single > > shot using Bcc. > > Ok, but a mlm is quite some overkill IMHO, just wondering if there was > an intermediate solution. This is for a blind person who handles the > "mailinglist" himself, so solutions are rather limited. > > But anyway, I can always write a small shell script that does the job. > Should not be a very big problem. > > R. > What about using an aliases entry to read the addresses from a file: mylist: :include:/file/name mylist-owner: listowner Then the user just needs permission to update the file and mail to mylist will be broken out to the addresses in /file/name. Regards, Ken
From: Kenneth Marshall on 3 Jan 2010 15:28 On Sun, Jan 03, 2010 at 08:23:50PM +0000, Mark Goodge wrote: > richard lucassen wrote: >> On Sun, 03 Jan 2010 19:57:41 +0000 >> Mark Goodge <mark(a)good-stuff.co.uk> wrote: >>>> I want to send once a week a simple mail to a list of 3000 >>>> recipients. I can set smtpd_recipient_limit and >>>> smtpd_recipient_overshoot_limit to higher limits, but is there a >>>> better way to handle this? > >>> Yes. Install a proper mailing list management system, such as Mailman >>> or majordomo. 3000 recipients is waaaaaaay too many to do in a single >>> shot using Bcc. >> Ok, but a mlm is quite some overkill IMHO, just wondering if there was >> an intermediate solution. This is for a blind person who handles the >> "mailinglist" himself, so solutions are rather limited. >> But anyway, I can always write a small shell script that does the job. >> Should not be a very big problem. > > Your biggest problem, with that number of recipients, is handling bounces > and unsubscriptions. Splitting the recipients into chunks is easy enough, > but dealing with all the invalid and/or expired addresses is what makes it > more complex. And if you don't handle them correctly, then you're getting > into dangerous territory - that's where legitimate lists start being > treated as spam, especially if any of the recipients have addresses with > the major webmail operators such as Hotmail and Yahoo. > > Most decent MLMs allow you to import subscribers from a simple text list, > so from a user point of view it's no harder (and often easier) than > maintaining it in the addressbook of an email client for Bcc purposes. It's > more complex for the administrator, but if you're competent enough to > administer Postfix then it's hardly likely to be a problem for you! > > Mark > I will second that using a real MLM is usually a much, much better option that will allow you to prevent collateral damage to your mail reputation when there is a delivery problem. For example, when using the aliases option, you should only allow the one address/user to send mail to the alias or you open up an avenue for spammers to abuse your system. Regards, Ken
From: richard lucassen on 3 Jan 2010 16:00 On Sun, 3 Jan 2010 14:28:11 -0600 Kenneth Marshall <ktm(a)rice.edu> wrote: [mlm] > I will second that using a real MLM is usually a much, much better > option that will allow you to prevent collateral damage to your mail > reputation when there is a delivery problem. For example, when using > the aliases option, you should only allow the one address/user to send > mail to the alias or you open up an avenue for spammers to abuse your > system. Ok, thanks guys, you have convinced me to use a mlm. I'll dive into that matter. I've only played with ezmlm some 10 years ago when I was using qmail, but I haven't looked at these mlm's ever since. Which mlm would you recommend to use for this purpose? I use Debian Lenny with (of course) Postfix. R. -- ___________________________________________________________________ It is better to remain silent and be thought a fool, than to speak aloud and remove all doubt. +------------------------------------------------------------------+ | Richard Lucassen, Utrecht | | Public key and email address: | | http://www.lucassen.org/mail-pubkey.html | +------------------------------------------------------------------+
From: Mark Goodge on 3 Jan 2010 16:11 richard lucassen wrote: > On Sun, 3 Jan 2010 14:28:11 -0600 > Kenneth Marshall <ktm(a)rice.edu> wrote: > > [mlm] > >> I will second that using a real MLM is usually a much, much better >> option that will allow you to prevent collateral damage to your mail >> reputation when there is a delivery problem. For example, when using >> the aliases option, you should only allow the one address/user to send >> mail to the alias or you open up an avenue for spammers to abuse your >> system. > > Ok, thanks guys, you have convinced me to use a mlm. I'll dive into that > matter. I've only played with ezmlm some 10 years ago when I was using > qmail, but I haven't looked at these mlm's ever since. > > Which mlm would you recommend to use for this purpose? I use Debian > Lenny with (of course) Postfix. My personal preference is Mailman. I run that on Debian with Postfix, and it was pretty simple to install. Mark
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