Describes the cause and action for error messages.
Error Message(English)：
remove invalid email addresses
How to remove invalid email addresses from your email campaign ...
https://www.quora.com/How-do-you-remove-invalid-email-addresses-from-your-email-campaign-list
Frequently Asked Questions | BriteVerify Help Center
http://support.briteverify.com/faq-articles/frequently-asked-questions
Email Address Verification, Hygiene and Validation Providers
https://martech.zone/verify-email-lists/
FAQ Frequently Asked Questions | CaptainVerify
https://captainverify.com/faq.html
Email Validation Tools to Verify your Email Lists - Klenty
https://www.klenty.com/email-validation-tools
Unsubscribe invalid email addresses from your CleverReach lists with ...
https://zapier.com/apps/cleverreach/integrations/cleverreach/25355/verify-cleverreach-contacts-with-・・・
4 time saving tips for the busy email marketer | Emma Email Marketing
https://content.myemma.com/blog/4-time-saving-tips-for-the-busy-email-marketer
Mass email address list
https://kismetciftligi.com.tr/vxmx/mass-email-address-list.html
Mass email address list - Pilates Studio Darwin
http://darwinpilatesstudio.com/iyxda/mass-email-address-list.html