[Wlug] Mail problem for a Monday morning

It's Monday morning, I'm tired, and I've got a headache, so I'm not sure I can even explain the problem right now, let alone solve it. Work seems to block port 25 (SMTP), but not 993 (IMAP-S) or 22 (SSH), so I can SSH into my (home) mail server, or read my mail via IMAP, but I can't send anything. My (home) email account doesn't have a shell account, so I can't log-in via SSH and send email in pine or something (and that would be a PITA, anyway). What are my options? Can I use putty to tunnel SMTP through port 22 SSH? One of these days I'll set up webmail and this will be a moot point, but I'm hoping for a quicker, more immediate solution. -- Thanks, Rich