Is it possible that this IP address is the external address and that 
Listserv and the mail relay are using a private address scheme. 

Mail won't handle going through Network Address Translation when other 
protocols will. 

Been there, done that, got the t-shirt.

---
The Vista Content Protection specification could very well constitute the 
longest suicide note in history  -- Peter Gutmann 
http://www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.html

William Brown
Web Development & Messaging Services
Technology Services, WNYRIC, Erie 1 BOCES


"LISTSERV site administrators' forum" <[log in to unmask]> 
wrote on 01/24/2007 12:41:53 PM:

> I can:
> 
> telnet://148.244.85.213:25
> 
> At 12:25 1/24/2007 Wednesday, Nathan Brindle wrote:
> >Can you telnet to port 25 of 148.244.85.213 from the LISTSERV 
> machine, or not?
> >
> >If you can't, then the problem is outside of LISTSERV.