Email marketing is among the simplest and most efficient digital marketing channel, but it must be done correctly. An email campaign with interesting subject line and better service or product offered would get better engagement always. Some time it can be better even, if it is not with an interesting subject line and have simple kinds of product or service information. But this can be depends of various related factors.

When we talk about high volume mailing or bulk email marketing, it would be more difficult to manage this thing because of many depending & related factors.

1. Low quality or compromised infrastructure

   It seen many times seen email bulk email marketing that everything is going well and suddenly all statistics are gone down. It may because infrastructure includes specifically IP address and domain are listed into any RBL ( Real Time Blacklist ) or recipient server start blocking sender due to rate limit issue.

2. Quality of email data

   It is very important for email marketing success to have manage email data quality. Email data quality affected by hard bounces and spam traps. Other than this low engagement of data.

3. Timing of email campaign

   A most recommended factor to achieve best engagement and open rate. You must have to know and send email to intended recipient when they want it. If done this perfectly then it keep an email marketing campaign a winner.

4. Best formatted campaign

   an email campaign always be best formatted and properly balance with text and images. Every image must have an alter tag , so people know about what kind of image it is, because major Email service provider have default setting to block all images and it affects engagement tracking, specially open rates.

5. Slow server response

   Slow server response is a killing factor. It can lower down every statistics. This is must to use best dedicated server and high uninterrupted bandwidth.

Other than above some points which every email marketer must keep in mind are –

1. Resend the email to people who did not open it the very first time. If you are using cloud email marketing provider like 171mails.com , you would be able to check and filter who was not open emails in previous campaign sends.
2. Change your subject line and send it to those individuals. Recap the advantages of what you are offering or indicating and include the connection
3. Put a few blank lines involving the final line of your email, and your unsubscribe option to avoid accidental deletions.
4. Use the personalisation parameters in your own email campaign and auto-responder. This could increase your own success rate by over 20%.