NSMutableString *post = [[NSMutableString alloc] init];     

[post appendString:@"email=email"];

[post appendString:@"&password=password"];



NSData *postData = [post dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES];



NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];



NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];

[request setURL:[NSURL URLWithString:@"https://www.domain.com/webservice/REST/address"]];

[request setHTTPMethod:@"POST"];

[request setValue: @"User Agent Identifier" forHTTPHeaderField: @"User-Agent"];

[request setValue:postLength forHTTPHeaderField:@"Content-Length"];

[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];

[request setHTTPBody:postData];