Article
Journeys uses suppression lists for email deliverability
learn.microsoft.com
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“A suppression list is a powerful backend tool that ensures your sending reputation stays healthy.” This article discusses types of harmful addresses, then details how suppression lists prevent your emails from reaching these addresses.
“Suppression lists prevent emails from being sent to harmful recipient addresses.” This article discusses types of harmful addresses, then details how suppression lists prevent your emails from reaching these addresses.
Hard-bounced addresses “Sending frequent emails to hard-bounced, invalid email addresses alerts remote spam filters to potential “spammy” behavior.” Addresses that mark your mail as spam (feedback loop/spam complaint)
Hard-bounced addresses “These alerts affect your inbox placement and deliverability results.” Addresses that mark your mail as spam (feedback loop/spam complaint)
Hard-bounced addresses “Sending multiple hard bounces to the same email provider in the same batch can even lead to the email provider completely blocking a sender, which can affect valid recipients.” Addresses that mark your mail as spam (feedback loop/spam complaint)
Addresses that mark your mail as spam (feedback loop/spam complaint) “Continuing to send emails to a person who has marked your email campaigns as spam negatively affects your sending reputation and labels you as a spam source.” Soft-bounced emails
Proof that each email address is valid and can be reached by any other email provider by sending a screenshot of such an email or forwarding a copy of an email received from the email address in question. “Measures taken to prevent the same bounces for those addresses (if applicable).” After that, our deliverability team will review the request and determine if the addresses are eligible for removal.
Soft-bounced emails “Five consecutive sending attempts to the same email address that result in soft bounces result in the email address being added to the suppression list similarly to a hard bounce.” How the suppression list works
Soft-bounced emails “Sending emails to addresses that soft bounce continuously can also harm your sending reputation.” How the suppression list works
Spam complaint suppression (feedback loop) “The spam complaint suppression list stores information about spam complaints (feedback loop reports) received regarding a specific organization and prevents such addresses from being sent to.” Pattern suppression
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