Features Pricing Learning keyboard_arrow_down How It Works Video GDPR Blog Case Studies Managed Campaigns For Small Business Free Marketing Plan Resourceskeyboard_arrow_down Why It Works Open Account Building Lists What Are Bounces? Why UK Based? Email marketing mistakes Email best practices Free email marketing templates Google analytics Email browser compatibility Domain verification Company keyboard_arrow_down Contact About Us Meet The Team UK Based Reviews Email Marketing Open Your Free Account

Different types of Email Marketing Soft Bounce

Published: 9th August 2018

What are Soft Bounces



When you send out an email marketing campaign, you will most likely have some hard bounces and soft bounces. A bounce is a failure, the message did not reach the recipient.

A soft bounce is a partial or temporary failure, a hard bounce is a permanent failure. In this video we are going to look at the different types of soft bounce.

When an email fails due to a soft bounce, the recipient’s server returns an error code. These codes will help to give a clearer picture of exactly why it failed to reach the recipient.

#421 - Suspected mail bomb



A mail bomb means that the recipient’s server has detected that you are sending to lots of mailboxes at the same domain name, for example. Sales@abc.com, bob@abc.com, accounts@abc.com

Your recipient’s server will probably employ a rate limit, this means that they will only allow a set number of emails through to their domain name – in our example this domain being abc.com. So if you have 20 mailboxes that you want to reach at the same domain name, it’s likely that only the first few will be allowed though, the rest will be returned as a soft bounce.

#450 Mailbox temporarily unavailable



The recipient’s email server reported that it was temporarily unavailable. In most cases this is caused by a network error with the recipient’s server.

This could be for a number of reasons and in most cases the issue may be resolved by the time of your next send. So a soft bounce message is returned.

451 Error with subscriber’s mailbox



When receiving your email, the subscriber’s mailbox reported an undisclosed internal error during transmission of your message.

This is normally classed as a temporary issue. In most cases you can expect any outstanding issues to be resolved by the time of your next send.

#550 Recipient rejected message



This means that your recipient’s mail server had analysed your message and rejected it. This could be because it considered the content spam related, or a negative history attached to the sending domain, or the sending domain had not been verified.

#552 User’s mailbox is full



Most users have a storage limit on the amount of emails that they can store. The recipient email server reported that your subscriber’s mailbox was full. When a user’s mailbox is full, the recipient server will reject all incoming email until the user has made additional storage space available.

#517 Error with your send from address



Your recipient’s mail server will look at your address as part of the filtering process. If it fails the checks, it will returned as a soft bounce.

These tests will look to see if the sending address is valid, it could fail because a typo in your send from address for example.

#541 Subscriber’s server too busy



This can occur if the recipient email server is very busy or experiencing technical difficulties. The server either did not respond – or it took too long to respond.

#523 Message / send from settings issue



There was a problem with the content of your email or send from settings, this caused delivery to fail.

Now this could be for a number of reasons, these include:


#400 Temporarily deferred



In this scenario the recipient server will initially reject your message, asking your service provider to try again at a later date.

Some service providers such as Yahoo will defer your message if there is a negative history attached, or if previous recipient’s have reported your mailers as spam

#575 Send from domain not authenticated



Nowadays, lots of service providers will only accept your email if it has the inclusion of an SPF record and a DKIM signature. This can be easily added to your domain and acts as a seal of authenticity that you are who you say you are.

#57606 Office 365 rejected



This code relates specifically to Microsoft’s Office 365, it is their own code that they use as a soft bounce definition. They have rejected your send because of negative history and/or other users in their network reporting your previous sends as spam

#418 Send from address does not exist



Recipient email servers will often validate your send from address. This code means that they have done so and could not find a record of the send from address that you’ve used as being a live address.

#569 Routing issue with subscriber



This may have been caused by a network or routing issue at your subscriber’s email server. It could be a temporary issue, so it’s worth try again later.

#0 Miscellaneous error with recipient server



This one is used by some servers as a bit of a catch-all. It’s a generic message that means additional info could not be provided, it therefore falls into the category or undisclosed – or miscellaneous.

Summary


OK, so there were are there’s a quick run down of the most common soft bounce reasons and the associated codes that may be returned.








Continue watching
play_arrow
tips
How to track your email subscriber's activity on your website
In this video, we take a look at 'Insight' by Email Blaster. This is a brand new email marketing app that allows to track the activity of your email marketing subscribers after they have clicked on your email links and navigate around your website. 'Insight' will show you which pages your email marketing subscribers visited, how long they stay, the top entry and exit pages and the average session journey. You can also see the total revenue, generated by product sales from each email marketing campaign. 'Insight' will also show you who bought what - even the abandoned baskets of subscribers who did not complete an order. +++++++++++++++++++++++++++++++++++++++++++ Feel free to open a free account and try email marketing today: https://www.emailblasteruk.com/free +++++++++++++++++++++++++++++++++++++++++++ #emailmarketing #emailblaster
play_arrow
tips
Email Marketing ROI tracker
Tracking the return on investment of your email marketing campaigns with 'Insight' by Email Blaster. Insight will allow you to track the interactions of your email marketing viewers as they journey through your website. When they buy products or services from your website, Insight will track and record these. This means that you have access to the exact sales figure generated by your email marketing.
play_arrow
tips
Want to track your Email Marketing ROI?
Find out how many sales your email marketing is generating with 'Insight' by email blaster. 'Insight' is an app which you can install on your website to track the activity of your email marketing viewers on your website. 'Insight' will tell you if they bought, which pages they visited, how long they stayed, entry and exit pages ranked, average customer journey and even the contents of an abandoned basket Open a free account with email blaster and start selling more products: https://www.emailblasteruk.com/free #emailmarketing #software
play_arrow
tips
What email marketing features does Email Blaster have?
In this week's email marketing video, we take a look at a small selection of the key features contained within the email blaster email marketing software. If you are looking for a UK based email marketing software provider, then why not check out email blaster. Free to try today: ++++++++++++++++++++++++++++++++++++++ https://www.emailblasteruk.com/free ++++++++++++++++++++++++++++++++++++++ #emailmarketing #GDPR #UK
play_arrow
tips
How much does email marketing cost with Email Blaster?
Email Blaster is UK based Email Marketing software. We offer great feature rich email marketing software, backed up with friendly knowledgeable support. We are all about competitive pricing and value for money. In this video, we explore the two pricing models: 1. Pay As You Go 2. Standard Monthly Fully GDPR compliant and based right there in the UK. Why not open up a free email marketing account, with no obligation and find out why Email Blaster is fast becoming the number choice for UK business: +++++++++++++++++++++++++++++++++ Join FREE: https://www.emailblasteruk.com/free +++++++++++++++++++++++++++++++++ #emailblaster #emailmarketing #UK #GDPR
play_arrow
tips
Risks for UK businesses storing their data in the U.S
This video focuses on looking at how GDPR works for UK businesses storing their data in the U.S. GDPR is The General Data Protection Regulation. It is an E.U law designed to regulate how companies use and store your private data. What does this mean for UK companies that use U.S based service suppliers though? #GDPR #Datastorage
send beautiful email.
get started
Give us a call
01327
438077
Connect
Let's go
Where? Unit 10A
Burcote Wood Business Park
Towcester
Northants
NN12 8TA
Email Blaster is a trading name of JC Peters Ltd registered in England & Wales no. 07168254
UK based servers.