Hello Jaroslaw,

$ host mail.h-email.net
mail.h-email.net has address 178.62.199.248

Yes. the nature of those 'temp email services' it exactly that.

I always thought temp email services are meant for receiving mail only and
don't ever send anything?

Serveral variations of the same. Some dont allow sending, several others do. There is big floods of spam going out over some variants that definately support outgoing mail also.

Many of them dont have spf setup and no signing so easy use as a forged 'from' that will gladly walk into many inboxes. Unless you require spf and such. Since most are catchall also.

Fun isnt it?

We have quitte some listed on SURBL and the operators of those services most of the time reply with 'but we do such good things for the internet' ...

Bye, Raymond


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