Btw., I just found something interesting:
There seems to be a 'bare-bones' version of one vendor's email marketing solution that is distributed under some sort of Open Source License (CPAL or something like that). Now, I do not know that product, but it may be worth investigating - might save people a lot of cost: http://www.openemm.org/ Cheers, Martin Am 05.07.2010 um 18:15 schrieb Eric Shubert: > Martin Waschbuesch wrote: >> Hi, >> I happen to work in E-Marketing, so here's my five cents (hope it's >> helpful!)... >> What I am going to say ASSUMES that highest possible deliverability is what >> you are after. >> Am 05.07.2010 um 16:12 schrieb Tonix (Antonio Nati): >>> Main problem I see is related to qmail opening a new session for each >>> outgoing email. >>> Yahoo and others see hundreds of parallel sessions opened all together from >>> the same IP, so they close new connections from that IP, because they feel >>> to be attacked. >>> We need a mechanism to send several e-mails using the same connection. >>> >>> Tonino >> That in itself would not be a solution at all, I am afraid. A lot of ISPs >> actually limit (on purpose) the amount of messages they accept per >> connection plus the number of connections within given time plus the number >> of concurrent connections. >> You would need, and indeed major Email Service Providers have that at least >> for the major ISPs, one configuration profile per ISP to achieve ideal >> performance and deliverability. These profiles are not stable - ISPs often >> change them (without publicly broadcasting the fact) to throw off spammers. >> But it is worse than that. New (from the standpoint of the ISP) senders have >> to train or 'seed' their IP. That is to say: achieve a consistent mailing >> frequency (number of mailings per timeframe), mailing size (recipients per >> mailing), bounce rates (there should never be spikes in your hard bounces, >> e.g. 550 type errors) and last but not least complaint rate (which should be >> next to non-existant if you want good deliverability). Complaint rate means >> if someone in e.g. AOL marks a mail and clicks the 'This is spam' type >> button. >> Some of the checks ISPs make are automatic. They just monitor traffic and if >> there are spikes or 'irregular' behavior, your bandwidth gets limited, mails >> bounced, you name it. >> Also, no matter how you acquired the emails you HAVE to remove hard-bounces >> and not retry sending to them again. Codes / Messages vary from ISP to ISP. >> Last but not least it is very tedious to communicate with ISPs should you >> land on a blocklist (plus there are some public blocklists where you can >> never get removed) >> I am very confident that qmail can handle all of this volume-wise, but it >> lacks the proper tools to fine-tune for Deliverability as well as automated >> bounce and complaint management that are required to achieve results >> comparable to professional senders. >> Again, this all assumes that your main concern is Deliverability. >> Cheers, >> Martin >> --------------------------------------------------------------------------------- > > Very interesting, Martin. Thanks for the insight. > > -- > -Eric 'shubes' > > > --------------------------------------------------------------------------------- > Qmailtoaster is sponsored by Vickers Consulting Group > (www.vickersconsulting.com) > Vickers Consulting Group offers Qmailtoaster support and installations. > If you need professional help with your setup, contact them today! > --------------------------------------------------------------------------------- > Please visit qmailtoaster.com for the latest news, updates, and packages. > To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com > For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com > > -- "I hold it true, whate'er befall; I feel it, when I sorrow most; 'Tis better to have loved and lost Than never to have loved at all." Alfred Lord Tennyson 'In Memoriam' --------------------------------------------------------------------------------- Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! --------------------------------------------------------------------------------- Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com