I have sent 40000 Emails and I have become many Emails like this:
This is the mail system at xxx
I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<email@example.com>: host smtp-avas-th.seeweb.itxxx] said: xxx
<firstname.lastname@example.org>: Recipient address rejected: undeliverable address:
host m-04b.th.seeweb.it[2001:4b78:1001::40b] said: 550 5.1.1
<email@example.com>: Recipient address rejected: User unknown in virtual
alias table (in reply to RCPT TO command) (in reply to RCPT TO command)
Is it possible to delete the Adress firstname.lastname@example.org from my Subscriber List automatic?
This were great.