I am using Laravel 5.8 and I am trying to send email from system using below setting. when is send email one by one its working fine but when I send bunch of marketing email together it stopped after sending 20 email and giving me below error.
I am using below setting in .env.
MAIL_USERNAME=my user name
MAIL_PASSWORD=my gmail app password
I am getting below error after sending 20 emails
Expected response code 354 but got code "503", with message "503 5.5.1 RCPT first. w15sm3670747wrs.80 - gsmtp "
also I tried with TLS but it’s giving me same error after 20 emails…
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