Hi, im from México and i have like 9000 mails that i want to send an email daily, i purchase amazon service and i already configurated. i did a test by sending mail "one by one" but its kind of slowly, when i try to unmark "Delivery One by One" and Group by 50(for example) i get this error:
554 Transaction failed: Invalid email address undisclosed-recipients;
I read about it and i found something that i have to configure on "Headers 'To':" but i can't solve the problem yet hopefully you will help me to solve that problem..
P.S. sorry my english
cheers
Mexican Vato Loco.
554 Transaction failed: Invalid email address undisclosed-recipients;
I read about it and i found something that i have to configure on "Headers 'To':" but i can't solve the problem yet hopefully you will help me to solve that problem..
P.S. sorry my english
cheers
Mexican Vato Loco.
