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Página Inicial da Base de Conhecimentos aero-right Relatórios aero-right I have an email address listed as a hard bounce, but I know it is valid. What happened?

I have an email address listed as a hard bounce, but I know it is valid. What happened?

Relatórios Atualizado em outubro 3, 2022
If an email was blocked by a spam filter on the recepients end, it could cause it to come back as a hard bounce. This spam filter could be in the company firewall, the ISP/data center, or the subscribers own computer.

A valid email address that has been marked as a “hard bounce” can be removed from your contact list and readded to erase the history of bouncing. If an address comes back as a hard bounce two consecutive times, it will be marked as “confirmed bounce” and future campaigns will not be sent to it.

Check the Content of Your Campaign.

Are there things in it that would appear to be spam? There are ways to prevent your email from being filtered as spam. Be sure to utilize the spam checker prior to sending out the campaign. This will help increase the deliverability of your emails.

Did the Email End up in the “Junk” Folder?

Many times an email can wind up in your recipient’s junk folder if it has been blocked by a spam filter. The more this happens, the higher your odds are of being blocked with future campaigns. To avoid this all together, request that your subscribers add you to their “safe” email list. This will help to prevent being blocked by filters later on and therefore lower your bounce rate.

Major ISP Blocking Email

If a major ISP (like AOL, or MSN/Hotmail, or Yahoo! ) is blocking your emails, this is actually not that unusual. The major ISPs usually block emails temporarily and then remove the servers from the blacklist within a day or two. Please note that Benchmark is on so many feedback loops with major ISPs that we usually already know when this happens, and we re-route emails to other outgoing email servers until the issue is cleared up. We also investigate the user that caused the problem, and boot them if we feel they’re doing too much harm or violating our terms of use.

But if you happen to see a major ISP blocking Benchmark in your SMTP headers, it helps if you contact us immediately. We can then contact that ISP and work things out with them directly.

Learn more about the management of bounces here.