Five tips to circumvent spam filters

There are countless variants of spam filter techniques which can be applied at various levels (personal computer, company email server, ISP, etc.) in one combination or another.
These few simple guidelines can help you get started in the right direction:

  1. Choose a technology partner who is familiar with the spam problem and has geared its technology to this. It is difficult for you as a marketer to check a number of filter-related aspects yourself.
  2. If you send your email campaigns via your own infrastructure, check whether your infrastructure is included in a spam database before sending the e-mails. You can do this, for instance, via DNSstuff. If this is the case, you can find the deregistration procedure on the spam database site.
  3. KISS ‘Keep It Simple & Stupid’: Keep your emails as simple as possible. Avoid using capital letters and fluorescent colours. Any coloured background will increase your spam score.
  4. Read the contents of your email for typical spam features. For instance, the word ‘free’ should be avoided as much as possible. In fact, the EmailGarage 6.0 tool checks the content of your email automatically.
  5. Manage your email lists carefully. Always ask permission from those to whom you wish to send an email and after your campaign, clean up your lists by removing bounces and deregistrations.

Like to know more? offers free “spam and deliverability” workshops at which this subject is examined in greater depth.
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