First, your WordPress 托管 provider would consider this as a misuse of their terms and service. These mail servers are often poorly configured, have strict limits, and cannot send all your emails at once.
If you haven’t already done so, then it is time to signup with a reputable email service provider like 持续接触, 韦伯, etc. This will ensure that you don’t lose any email address and that your emails always land into user’s inbox.
You need to use a lead generation software like 选择怪物 to quickly grow your email list. OptinMonster helps you convert abandoning website visitors into email subscribers. See our case study of how 使用 OptinMonster，我们的电子邮件订阅者数量增加了 600%.
For example, using a popup form, slide in optin, 欢迎门, together on the same page can annoy your users. Bad user experience not only discourages users from browsing your website, it can also have a negative effect on your sales and SEO.