Hello. I am trying to see if the verb send is followed by in or at.
I would be grateful if you could send me a new user-id and a password in/at my working address
I would like to thank you in advance for your help.
(1) You have made an excellent point.
(2) It is ONLY my opinion that I would be more comfortable writing it as I did. To me at my work address = To my work address.
(3) Let's look at your nice sentence:
... send me a new user-I.D. and password at my work address. =
... send (to) me a new user-I.D. and password at my work address.
(i) I think (think) your sentence is grammatically fine.
(ii) I feel, however, that it MIGHT be a bit confusing to the reader at first. That is, the sentence seems to refer to an I.D. and password AT your work address.
(a) I believe, however, that you are referring to the person (me) AT the work address.
(4) Hopefully, one of the great teachers at this website will soon answer you. Whatever s/he says will be the correct answer.
Have a nice day!