This type of bounce usually occurs when the sender's message is not authenticated, but it can also be due to a mis-configured server on the recipient side. Unable to connet simply refers to the transmission of your email from our server to the receiving server, which has most likely been denied due to user error. This type of bounce usually occurs when the sender's message is not authenticated, but it can also be due to a misconfigured server on the recipient side. "Relay" simply refers to the transmission of your email from our server to the receiving server, which has most likely been denied due to user error. Your email has bounced due to a temporary error, which could be on the sending or receiving side. We treat this as a other bounce due to the fact that some mail servers and email providers respond with false or incorrect error codes. This mail block is often triggered by something detected in your email content, but can also be your reply-to address or brand name that has a poor reputation. The recipient's email server has blocked your email on the basis that the content resembles spam. One of our sending IP’s is temporarily blocked, One of our sending domains is temporarily blacklisted by the recipient domain. The most likely reasons you would see this block are:The email you have sent over time to the mail server has consistently resembled spam, and it has stopped delivering email from you to its users. The recipient's email server has blocked your email based on the sending reputation of the sending domain with the receiving domain. A mail block is recorded when the receiving server blocks an email completely rejecting the message without any attempt to deliver it to the inbox The most likely reasons for this block are:Your reply-to address is blacklisted, One of our sending IPs is temporarily blocked.One of our sending domains is temporarily blacklisted,The receiving server only accepts whitelisted senders. Mail block – General – The recipient's email server is blocking inbound mail from our server, which may be due to a blacklisting. (#4.4.1)/I'm not going to try again this message has been in the queue too long Sorry, I wasn't able to establish an SMTP connection. The ISP is determined that the message was a bounce, but it could not resolve the original email recipient email address. If there are many bounces with this code for a single domain, this usually means that the domain in not working or that the domain is blocking your mail server. This is a soft bounce where we were unable to connect to the remote server. Remote host said: Sorry, I wasn't able to establish an SMTP connection Sorry, I couldn't find any host by that name. Remote host said: The size of the message you are trying to send exceeds a temporary size limit of the server. Remote host said: Recipient mailbox is full, user quota exceeded EMAIL_LOCALbox has exceeded the limit. Remote host said: The email account that you tried to reach is disabled, Sorry, I couldn't find any host by that name. Temporary local problem - please try later. This occurs when the bounce processor receives an email that it determines is not a bounce notification. See the description of the individual error codes below the table. Instead of completely removing the email address, you should instead investigate and resolve the spam issue, so that you can resend to the email address.īelow are the individual bounce error codes. Other: This is a state where reception fails, but here it is not the email address that causes a problem.If code 21 is continuous, the email address can be declared invalid. This can occur if the domain name no longer exists, or the DNS registration has expired or will be renewed tomorrow, or there was a temporary error in DNS lookup. An example of this is a code 21 (see below). Soft bounce: A soft bounce is a condition where the email address of repeating soft bounces must be declared invalid.Typically, this will mean that the user does not exist. Hard bounce: A hard bounce occurs when the incoming mail server at the recipient informs that the email address is not valid.There are 3 different types of email bounce codes: Hard, Soft or Other. From time to time, it may be problematic to accurately diagnose exactly why an email is bounced, as not all mail servers are equally good at returning a precise answer to why an email is bounced. If the email is bounced, there are a number of different codes that indicate why the email is bounced from the recipient’s mail server. When you, as a customer at MarketingPlatform, send an email to a contact, a response will be sent back from the recipient’s mail server to MarketingPlatform’s mail server. Email bounces and explanation of bounce codes
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