When dialing up to brainlink, make sure that you are using a valid dialup number for your area. Enter the correct information for your DNS servers and your Mail servers.
 

The complete NATIONAL DIALUP LIST is available here. 

Brainlink Dialups (Log in as )
212-812-7827	NY	MANHATTAN
718-874-7827	NY	STATEN ISLAND
718-233-7827	NY	BRONX, BROOKLYN, QUEENS
631-961-7827	NY	WEST SUFFOLK COUNTY / BABYLON
631-610-7827	NY	EAST SUFFOLK COUNTY / EASTPORT
516-620-7827	NY	GARDEN CITY
845-306-7827	NY	UPPER WESTCHESTER / CARMEL
914-509-7827	NY	LOWER WESTCHESTER / YONKERS
845-510-7827	NY	ROCKLAND COUNTY / CONGERS
315-634-2520	NY	SYRACUSE
914-729-7827	NY	WHITE PLAINS (central)
716-203-0040	NY	DUNKIRK
716-280-0020	NY	LOCKPORT
716-504-.0040	NY	TONAWANDA