roadrunner email problems

Symptom description:Email server A and email server B are set at the front-end. After the front-end receives the email, it is delivered to the mailbox in the backend server. After receiving the external email, the front-end cannot deliver the email to the backend mailbox, this results in a backlog of emails on the fron

[Email] analysis of various problems and solutions1. 554 Sending address not accepted due to spam filterWhen you send an email to someone else, the email is not delivered, but the error is returned. at this time, you need to contact receipt, 99% because your mailbox has been blacklisted by recipients and you think you

Email tracking problems. I will send product emails to registered users. The mail sent contains some product information, the Mail template is as follows: lt; ahref = quot; http://www.xxx.com/products/201207240001.htmlquot;target=quot;_ B mail tracking problem. I will send product emails to registered users. Some product information is contained in the sent mail. the mail template is as follows: Src =

Open POP3/SMTP Server, need to send SMS, then click I have sent, get a specified password?Authorization code to be obtained after opening?Open IMAP/SMTP also need to send a text message, get an additional authorization code?Then set the following information in the background (the SMTP authentication password is not your QQ mailbox password, but the above-obtained password)?Set as email authentication in global-registration and control access?????????

Email tracking problems. I will send product emails to registered users. Some product information is contained in the sent email. the email template is as follows: I will send product emails to registered users. Some product information is contained in the sent mail. the mail template is as follows: Src = "http://www