Why do i have bounced emails? There are two main bounce errors, hard bounce and soft bounce
.
1) Soft bounce -> Is a...

Why my test emails are not been received on Gmail, Hotmail, Yahoo! There are several reasons why Gmail, Hotmail or Yahoo! could block your email. The best thing to...

Should I purchase a new domain only for mass mailing? You should never purchase a domain only for mass mailing. Most spam filters will block these...

How to set up a subdomain? A custom domain is very important for improving delivery rates.
You can find more information...

What is the spf record? If you would like to understand what is the spf record, you can find all the technical...

How to know the spam score of a newsletter?

There are several factors to consider when creating a newsletter.
It is very important to check...

My campaigns sent to Gmail, Hotmail or Yahoo are landing in the spam folder, how can i solve this? We have created a very important tutorial about this, with the main doubts and how to solve them,...

Do I have to follow the CAN-SPAM laws when sending with Mailrelay? Yes, all our customers must respect local and international laws, even if your country doesn't...

Problems with emails not accepted due to the number of allowed messages. If you are having this kind of problem, we recommend you to check this tutorial with more...

Bounce reasons and recommended actions.

Would you like to know the bounce reasons and what are the necessary actions for each situation?
...

Do I have to warm up the IPs before sending the campaigns? If you need to send a very high number of emails, it may be necessary to warm up the IPs, to get...

Why am i not receiving emails on my own corporate domain? In some situations, you may not receive the newsletters on your corporate domain.
It is possible...

Why do some emails could get in sending queue? If you have emails in sending queue, don't worry, just review this link to see why and how to...