An email sent to your alias simplelogin-newsletter.savior578@simplelogin.com from postmaster@428ed14e8b.nxcli.io was bounced by your mailbox dupa@niepodam.pl

This is usually because your mailbox service thinks the email is spam.

View the bounced email

The email is automatically deleted in 7 days.

Please consider the following options:

1. If the email is not spam, you can create a filter to explicitly allow all emails from SimpleLogin.
   
2. If this email is indeed spam, it means your alias simplelogin-newsletter.savior578@simplelogin.com is now in the hands of a spammer. You can either disable the alias or block the sender if they send too many spam emails.

Please note that the alias can be automatically disabled if too many emails sent to it are bounced.

Thanks,
SimpleLogin Team.