public void setRecipients(java.util.Collection<String> recipients) {
        if (recipients == null) {
            this.recipients = null;
            return;
        }

        this.recipients = new com.amazonaws.internal.SdkInternalList<String>(recipients);
    }
<p>
The recipient domains and email addresses that the receipt rule applies to. If this field is not specified, this
rule matches all recipients on all verified domains.
</p>

@param recipients
       The recipient domains and email addresses that the receipt rule applies to. If this field is not
       specified, this rule matches all recipients on all verified domains.
aws-java-sdk-ses/src/main/java/com/amazonaws/services/simpleemail/model/ReceiptRule.java