Originally Posted by
BobFF68
If you want to login I guess you are already enrolled to Miles&Smiles program, in this case the only option to login is to use the membership number. It seems not possible to login with email address despite the option visible at website, probably just one of the many TK "IT excellencies". By the way, not any trace of your M&S number from physical or digital card, monthly newsletter? Otherwise you can send a feedback form (no need to login) or contact them via Twitter, they normally respond quite quickly.
Thanks for the reply. I tried again and was able to reach them at this number. They were able to look up my membership number after some searching and verification.
1 (800) 874-8875