People tend to think of setting up email authentication with DMARC, DKIM, and SPF as time-consuming and error-prone because they have to search the Web for various articles and tools to achieve a simple DMARC, DKIM and SPF setup. This can take days for those who aren't proficient in email authentica…
ドメインの SPF レコードを正しく解釈できない場合、SPF は PermError (永久エラー) を返します。 SPF TempError (一時的なエラー) とは対照的に、SPF PermError では、システム管理者が問題を修正するための措置を講じる必要があります。
SPF PermError の原因のリストを次に示します:
1 つのドメインで複数の SPF レコードが見つかりました; SPF レコードが構文的に正しくありません; 1 回の SPF チェックに含まれる DNS ルックアップの数が 10 を超えている; 1 回の SPF チェックに含まれる void…
An SPF record is a TXT record published in the DNS by the domain owner, which specifies a whitelist of IP addresses allowed to send emails on behalf of the domain. When an email reaches the receiving server, the server will look up the SPF record in the DNS, and perform a check to determine if the e…
When the SPF PermError: Too Many DNS Lookups issue strikes, your email deliverability can take a bad hit due to SPF fail. We will explain how automatic/dynamic SPF record flattening can solve this problem below.
Nowadays, more and more services are necessary to run online operations on a day-to-…
When you first set up Zendesk to send emails, you may find there is a "Via Zendesk" warning for the email in the recipient's mailbox.
This warning means you haven't authorized Zendesk to deliver emails for you, so the mailbox provider considers that sent from Zendesk instead of your brand…
When you first set up Amazon SES to send emails, you may find there is a "Via amazonses.com" warning for the email in the recipient's mailbox.
This warning means you haven't authorized Amazon SES to deliver emails for you, so the mailbox provider considers that sent from Amazon SES instead of your…
