Is email a security risk ?

My Current host seems to think it is I guess it not a security risk as such but more of a way that some one could either use there hosting account to send out 100000 of spam messages or to have a script that would slow the server down.

I was told this is common practice for hosts to block emails sent from scripts or as put option for sending mails as user "nobody" has been blocked.

What I wanted to is find out from other hosts is this common if so what type of email can be sent from the server ?

I was thinking maybe sending emails with full correct headers or sending email through your own SMTP server would be allowed or sending mails but you would have to authenticate with a user name and password.

Can you "hosts" let me know how you deal with email abuse.

 

 

 

 

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