Traffic is throttled at port 25 by AWS on all customer instances by default.

In order to send mails you may have to remove this throttling by filling out a request form. You can find the link for the form here:
Post a Comment

Featured Post

Updated Coupons / promo codes for Google Apps for Work / Business

To redeem: 1. Sign up for Google Apps   2. Go to your billing settings  3. Choose your payment plan  4. Enter your promo code ...