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Our company is sending out a lot of emails per day and planning to send even more in future. (thousands) Also there are mass mailouts as well in the ten thousands every now and then.
Anybody has experience with hotmail, yahoo (web.de, gmx.net) and similar webmail companies blocking your emails because "too many from the same source in a period of time" have been sent to them?
What can be done about it? Spreading email mailouts over a whole day/night? At what rate?
(we are talking about legal emailing just to make sure...)
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If you send 10,000 emails at once and there's a high bounce rate, you'll get blacklisted when the rate goes above 10%. Sending fewer emails as you warm up the IPs will help prevent that situation. Remember, more is not always better when it comes to sales leads.
There can be some technical issues that might affect your email sending process for example, mistakenly formatted message headers, absence of reverse DNS, PTR records set-up, or error in authentication that can lead to email delivery challenges and eventually your email getting blocked.
You want to look at the following:
Precedence: bulk)Also, most providers have pages setup where they explain how they want "bulk" email to look like when you are sending it to their customers. That general includes requirements for double opt-in, etc..
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