I need to be able to send email from my computer on port 25 and have the gateway router change it to port 587 because verizon blocks port 25 on most things other than themselves. Any help would be appreciated. Thanks

Without more detail from you:

probably, 'chain=dstnat action=dst-nat'

Thanks but it didn't work.

probably, 'chain=dstnat action=dst-nat'

Duh. Yes.

Is the rule counting packets?

It was counting packets but still didn't allow me to send email. If I change my outlook from port 25 to port 587 it works. What am I doing wrong?

Thanks and apparently you have to eliminate the 0.0.0.0 in the rule for it to work.

chain=dstnat action=dst-nat to-ports=587 protocol=tcp dst-port=25

Thanks Again