Multiple Mail-merge CSVs to put in a queue with a delay between each or each csv as time scheduled
Business email products allow only 100/hr. This makes one re-open their computers just to add new CSV every hour. Is there any way that i can put 24 CSVs (each for an hour of a day) each with 100 mails and schedule them to be sent via Mail merge (1 at a time) ? The delay feature allows time gap between 2 consecutive mails and not CSVs. CSV allows header {{Date}} {{Time}} but that means altering CSV itself and not via GUI of Thunderbird. Secondly, apart from portable TB that can be run parallely via pendrives, can TB be deployed in shared servers or VPS so that i can keep my PC off while mails get sent via app in cloud. Current cron jobs can be scheduled but not more than 10-15 should be open at a single time and they call a mail sending php script which has email headers like TO and BCC. If all mails are put in TO then privacy of users ' emails is hurt. If all are put in BCC then business mail deletes some of the mails from the middle of BCC list without intimation! Qmail and Postfix (Plesk) Logs of Maillist method (Mailman) do not provide final fate of individual mails in the mail-list. these logs just show "=sent/queued, etc." with huge scope of queue getting deleted at the backend. Thus, the only option of making sure that emails were delivered is by sending 1 at time i.e. via TO using Mail merge. If CSV quing or scheduling facility is there in GUI of TB then lot of ease in operations can be gained. It will replace use of cron jobs (in cPanel) for emailing purpose as the Exim logs, though provide individual email details via its logs even for maillist mails, are quite involving to decipher. So, if TB allows multiple CSVs quing in its GUI + deployment in cloud then how to execute that?
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You can probably do what you want with the aid of add-ons, but what you really need is a mailing house. The Thunderbird project uses the services of mailChimp https://mailchimp.com/pricing/
You could mess about with the mailmerge add-on and the send later addon with probably spotty results. But it is not going to be the product you need to do the job of sending to large mailing lists.
https://addons.thunderbird.net/en-US/thunderbird/addon/mail-merge/?src=search
Anyone sending 2400 email a day will soon get their sending address banned as a spammer using a mail client designed for use by individuals and small departments. Thee is a reason Google has a 100 an hour limit.
Mailchimp allows 200 mails per $. It is for opt-ins and assumes same subscribers will be sent multiple emails. Mine is a one time email so mailchimp is not useful even if pricy costing is ignored.
Send Later+Mail merge are good enough but as mentioned above, CSV level GUI queuing can be also be added.
Free webmail like gmail/outlook have that limit. Paid business emails products like at bigrock, hostgator.in allow 2000-2400 per day @ 100/hr for under $1 per month. If they don't block then it comes to 60000 emails per $ over 1 month.
To avoid blockages by them, one of the first things is to adhere by their throttling limits and not misuse BCC/Maillists. This is where TB becomes handy.
Hosting products like VPS do have cron+maillist but the logs of mail servers at Plesk (postfix, qmail) provide wrong info when mailman-Maillist is used. The actual bounce info is in /var/log/mailman/smtp-failure. Using TB and keeping your own PC on even when VPS is available is an inefficient way of execution. cPanel-VPS provides EXIM logs which are detailed even for mailllist route of sending mails.
So, TB can be used for Plesk-VPS which costs half of cPanel as it is a new product. Gmail limit is 20/hr and 500/day. If each mail has different content and is solicited then 2400/day execution is not blocked. However, for lesser burden on the servers and ease of manual tasks (every hour) to the users (opting for 60k emails per $ costing model), TB becomes important.
A non-messy combo GUI feature of sendlater + Mailmerge can be used for business emails product designed for use by individuals and small departments and also Plesk VPS which costs half of cPanel.