Below topic also in a tech Long Read, possibly to be forwarded to IT responsible or interested members - Clubs Efficient Email Communication
Undelivered mails
For sending the mails from Klubs we work with a transactional mail system. For this we also have a specific Mail set-up.
This separate service guarantees a high delivery. Additionally, all mails are personalized with deposit codes (#firstname), especially the subject, to increase this delivery even more.
The non-arrival of mails has nothing/not much to do with the sender, more with the spam settings at the receiver.
Part of the problem lies with the recipient
Outlook, Hotmail, almost all Microsoft mail accounts, have a very high spam sensitivity.
In addition, there is also the issue of control at company accounts or Providers with specific Anti-Spam filters.
Here is some background info around various mail delivery issues:
User Solutions
For resolution of Mail Delivery issues some suggestions:
- Safe Sender
sets the default klubs mail address (see received mail) as safe sender - Clubs in Contacts
sets the default clubs mail address (see received mail) as safe sender - Check Spam mailbox
designates mail as Safe Sender
Admin Solutions
A separate support topic around Mail Delivery, then specifically for Admins.
- Mail Delivery Admin
Clubs support
Furthermore, a number of support tools were built into the platform within Klubs.
Login info

From each member's detail profile, new login details can be sent by email.
- Send new login details by email to ...

After sending this mail, the activation link will also appear. This can then be sent separately from the personal mail or via WhatsApp. Probably with a higher delivery.
Email Tracking
Furthermore, there is extensive e-mail tracking to check whether the (undelivered) mail was actually sent. For example check whether the member in question was also in the member group or mailing selection.
- Support - Email tracking
E-mail copy
For specific mails (membership renewal, ...) an additional mail address can also be added. These mails can then be resent from this CC mailbox.

