"validation while uploading subscriber (from .txt,.csv copypaste)
show invalid email in UI by calling API"
show invalid email on popup or any UI in table format pattern/domain/smtp using checked and cross
3 freelancers are bidding on average $53 for this job
can you please tell me maximum number of email you will upload through CSV or txt file? i can validate email through real time SMTP gmail allow to test 1000 mail id per day.